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POSTECH ACADEMY - INDUSTRY FOUNDATION

POSTECH ACADEMY - INDUSTRY FOUNDATION Patent applications
Patent application numberTitlePublished
20120134373METHOD OF PACKETIZING ENCODED SYMBOLS AND APPARATUS USING THE SAME - Provided are a method of packetizing encoded symbols and an apparatus using the same. The method includes an encoded symbol and target packet selection step of deciding a first source symbol and selecting an unpacketized first encoded symbol and a target packet into which the unpacketized first encoded symbol is inserted if there is the unpacketized first encoded symbol of at least one first encoded symbol, which is an encoded symbol of the first source symbol generated using an AND-OR tree structure, and a packetization step of generating a second source symbol based on at least one unpacketized first encoded symbol by use of the AND-OR tree structure, generating at least one second encoded symbol based on the second source symbol by use of the AND-OR tree structure, and packetizing at least one of second encoded symbols into the target packet along with the first encoded symbol.05-31-2012
20120133281ELECTRON BEAM GENERATING APPARATUS - An apparatus for generating an electron beam is disclosed to reduce emittance of an electron beam. The apparatus includes: a housing including a rear portion where an electron beam is generated, a front portion having an electron beam discharge hole for discharging the electron beam to the exterior, and a side portion connecting the rear portion and the front portion, the side portion having a first hole and an opposite side portion, facing the first hole, having a second hole in order to reduce asymmetry of an electric field caused by the first hole; and a waveguide installed on the side portion to supply an electromagnetic wave to the interior of the housing through the first hole, wherein the electron beam is generated by laser incident to the interior of the housing and accelerated by the electromagnetic wave supplied to the interior of the housing.05-31-2012
20120126891POWER AMPLIFICATION APPARATUS - A power amplification apparatus includes a first amplifier turned on at a preset low input power; and a second amplifier connected in parallel with the first amplifier and turned off at a low input power due to a relatively low bias current. Output capacitors of the first amplifier and the second amplifier are compensated for by inductors or microstrip lines of dc power supply paths. An output matching circuit of the first amplifier includes a λ/4 transformer. An output matching circuit of the second amplifier has the phase of 0°. Input matching circuits of the first amplifier and the second amplifier include delay compensation circuits. The output matching circuit of the first amplifier, the output matching circuit of the second amplifier, and a final output matching circuit have the same impedance transformation rates.05-24-2012
201201128333-WAY DOHERTY POWER AMPLIFIER USING DRIVING AMPLIFIER - Disclosed is a 3-way Doherty power amplifier using a driving amplifier in which driving amplifiers are connected to the front stages of a carrier amplifier and a peaking amplifier, respectively, so as to obtain a high gain and a high efficiency. To this end, the Doherty power amplifier includes: a hybrid power distributor for distributing an input signal into first and second path units; and a driving amplifier for receiving a signal outputted from the hybrid power distributor and controlling the driving of a carrier amplifier, a first peaking amplifier, and a second peaking amplifier, wherein: the carrier amplifier, the first peaking amplifier, and the second peaking amplifier are connected to a rear stage of the driving amplifier, respectively; the first path unit generates a high efficiency at a low input power; and the second path unit maintains a high efficiency and gain in a high output range.05-10-2012
20120088281Thiolase with Improved Activity and Method of Producing Biobutanol Using the Same - The present invention relates to a modified thiolase protein with an improved activity, a polynucleotide encoding the modified protein, an expression vector including the polynucleotide, and a transformant, to a composition for producing a biobutanol including the thiolase with an improved activity or a cell expressing the thiolase, and to a method of producing the biobutanol.04-12-2012
20120088226NUCLEIC ACID EXTRACTION METHOD - The present invention relates to a nucleic acid extracting apparatus, and the nucleic acid extracting apparatus can include a pipe-shaped tube having an open outlet at one side thereof, and a hydrogel column that is provided inside the tube and filters impurities excluding an extraction target material.04-12-2012
20120086507POWER AMPLIFIER LINEARIZATION METHOD AND APPARATUS - Disclosed is a method and apparatus for linearizing a power amplifier using a digital signal process (DSP), and particularly, is a method and apparatus for effectively linearizing an amplifier which has a plurality of distortion generating sources. To this end, there is a plurality of compensation methods and compensation units which can generate inverse distortion signals corresponding to the distortion components outputted by the plurality of distortion generating sources, thereby making it possible to provide superior linearity.04-12-2012
20120085413ORGANIC SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - An organic solar cell and a method of manufacturing the same.04-12-2012
20120085412ORGANIC LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME - An organic solar cell and a method of manufacturing the same.04-12-2012
20120082139DISTRIBUTED MEDIUM ACCESS SCHEDULING WITH IMPLICIT ORDERING - Provided is distributed medium access scheduling with implicit ordering (DSIO). The DISO includes the steps of: (a) when any terminal of a plurality of terminals included in a terminal group has data to transmit, promoting the terminal to a transmission data existence layer; (b) when any blue terminal of a plurality of blue terminals included in a blue terminal group has no data to transmit, degrading the blue terminal to a transmission data non-existence layer; and (c) when any red terminal of a plurality of red terminals included in a red terminal group succeeds in intruding between the blue terminals and recognizes whether or not to transmit data without a collision, promoting the red terminal to the blue terminal group.04-05-2012
20120074965AREA-VARYING CAPACITIVE SENSOR, AND SELF COMPENSATION AND SIGNAL LINEARIZATION METHOD THEREOF - An area varying capacitive sensor for substantially reducing a drift and an offset without performing a complicated process by linearizing a signal while automatically compensating the offset and the drift by additionally disposing an electrode and performing a simple signal process without applying complicated signal processing to an area varying capacitive sensor having a periodic electrode, a self compensation and signal linearization method of the area varying capacitive sensor are provided. A self compensation and signal linearization method of the sensor having four electrode sets that are disposed to generate a phase difference signal of 90 degrees comprises: controlling the four electrode sets to respectively output a signal with a phase difference of 90 degrees; acquiring two signals from which common signal components including a drift and an offset are eliminated by subtracting the signals that have opposite phases from among the signals that are output by the four electrode sets; controlling peak values of the two signals from which the common signal components are eliminated to have the same size, and acquiring two signals from which absolute values are taken; and comparing sizes of the two signals from which the absolute values are taken, taking a lesser value, and acquiring a linearized triangular wave.03-29-2012
20120071419Target-Specific Non-Antibody Protein and Method for Preparing the Same - The present invention relates to a method for preparing a target-specific non-antibody protein, and more particularly, to a method for preparing a target-specific non-antibody protein comprising the steps of: selecting non-antibody proteins having a structural complementarity with the target site of a target protein in a non-antibody protein library; calculating a binding energy of the selected non-antibody protein and the target protein; selecting a non-antibody protein having a favorable binding energy among the selected non-antibody proteins; selecting amino acid residues having a high binding energy among the interfacial amino acid residues of the selected non-antibody protein and the target protein; and substituting the selected amino acid residues with the amino acid residues having a low binding energy. In addition, the present invention relates to a target-specific non-antibody specifically binding with EGFR (Epidermal Growth Factor Receptor) domain 2, which is prepared by the method, and a cancer therapeutic composition comprising the same.03-22-2012
20120060834PHARMACEUTICAL PREPARATION TO BE ADMINISTERED INTO RESPIRATORY ORGANS FOR TREATING OR PREVENTING INFLAMMATORY RESPIRATORY DISEASES, AND METHOD FOR TREATING OR PREVENTING SUCH DISEASES - The present invention application relates to a pharmaceutical preparation to be administered into respiratory organs for treating or preventing inflammatory respiratory diseases, comprising a peptide which acts on formyl peptide receptors (FPRs) or receptors analogous thereto, in an amount which is effective in suppressing respiratory inflammation. The present invention application also relates to a method for treating or preventing inflammatory respiratory diseases by using the preparation, and to a kit containing the preparation. As compared with systemic administration of the peptide by injection, direct administration of the peptide to respiratory organs remarkedly improves the effect in suppressing respiratory inflammation.03-15-2012
20120045516COMPOSITION FOR PHOTODYNAMIC THERAPY COMPRISING A MACROMOLECULAR CAPSULE - A composition for photodynamic therapy including a polymer capsule having a diameter of about 10 nm to about 2000 nm synthesized by copolymerization of a flat aromatic compound represented by Formula 1 (see the specification) and an organic compound represented by Formula 2 (see the specification).02-23-2012
20120045030METHOD FOR FORMING ROUGHNESS ON SURFACE OF NUCLEAR FUEL ROD CLADDING INCLUDING ZIRCONIUM - A method for forming roughness on an outer surface of cladding of a fuel nuclear rod including zirconium includes: positioning the cladding of the nuclear fuel rod at a first electrode and connecting a positive electrode thereto, and positioning a conductive plate at a second electrode and connecting a negative electrode thereto; putting the cladding of the nuclear fuel rod in an electrolyte solution; and applying voltage to the positive electrode and the negative electrode to cause oxidation on the outer surface of the cladding of the nuclear fuel rod. In this case, the electrolyte solution is maintained at 10° C. or lower.02-23-2012
20120042410ABSCISIC ACID CARRIER GENE AND TRANSGENIC PLANT EXPRESSING THE SAME - The present invention relates to carrier genes of abscisic acid and the transgenic plant prepared using such genes, and more specifically to genes that enhance resistance to salt or dryness in relation to abscisic acid transport and the recombinant vectors including the genes, the transgenic plant prepared using the recombinant vector, a transgenic plant that is superior in terms of resistance to base and dryness, a method for environmental purification in arid regions based on the plants, and the development of crops having enhanced yields.02-16-2012
20120037891METHOD OF MANUFACTURING MULTILAYERED THIN FILM THROUGH PHASE SEPARATION OF BLEND OF ORGANIC SEMICONDUCTOR/INSULATING POLYMER AND ORGANIC THIN FILM TRANSISTOR USING THE SAME - Disclosed is a method of manufacturing a multilayered thin film including a crystalline small molecular organic semiconductor layer and an insulating polymer layer for use in an organic thin film transistor through phase separation and annealing. The method includes applying a blend solution of organic semiconductor and insulating polymer on a substrate thus forming a vertically phase-separated thin film, which is then annealed so that the organic semiconductor contained in the insulating polymer layer is crystallized while being transferred to the surface layer. A high-performance organic thin film transistor fabricated using the same is also provided. The multilayered thin film in which the crystalline organic semiconductor layer is located on the insulating polymer layer through transfer and crystallization of the organic semiconductor can be used to fabricate the high-performance organic thin film transistor.02-16-2012
20120028171ELECTRODE CATALYST AND METHOD OF PREPARING ELECTRODE CATALYST FOR FUEL CELL, AND MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL INCLUDING SAME - An electrode catalyst for a fuel cell, a membrane electrode assembly including the electrode catalyst, and a fuel cell including the electrode catalyst. The electrode catalyst has excellent electrochemical activity compared to the currently commercially available Pt/C catalyst and is much cheaper than a catalyst using platinum. The electrode catalyst includes tungsten carbide having a specific surface area of about 10 to about 30 m02-02-2012
20120025330FABRICATION METHOD OF CARBON NANOTUBE FILM AND SENSOR BASED ON CARBON NANOTUBE FILM - A method for fabricating a carbon nanotube film floating on a bottom is provided. The fabrication method of a carbon nanotube film comprises: forming electrodes on a substrate; arranging a suspension comprising a plurality of carbon nanotubes on the electrodes; and arranging the carbon nanotubes on the electrodes by applying a voltage to the electrodes.02-02-2012
20120021250METHOD OF PREPARING CARBON THIN FILM, ELECTRONICS COMPRISING CARBON THIN FILM, AND ELECTROCHEMICAL DEVICE COMPRISING CARBON THIN FILM - A method of preparing a carbon thin film, and electronics including the carbon thin film.01-26-2012
20120018708METHOD OF MANUFACTURING ORGANIC SEMICONDUCTOR NANOFIBRILLAR NETWORK DISPERSED IN INSULATING POLYMER USING A BLEND OF ORGANIC SEMICONDUCTOR/INSULATING POLYMER AND ORGANIC THIN FILM TRANSISTOR USING THE SAME - Disclosed is a method of manufacturing an organic semiconductor thin film for an organic thin film transistor from a blend of organic semiconductor/insulating polymer. The organic semiconductor thin film is configured such that organic semiconductor nanofibrils are dispersed in the form of a network in the insulating polymer layer. This organic semiconductor thin film is formed by dissolving the blend of organic semiconductor/insulating polymer in a marginal solvent of the organic semiconductor or mixed solvent thus preparing a blend solution, which is then applied while adjusting the solubility of the solution. An organic thin film transistor using the organic semiconductor thin film is also provided. The blend thin film of organic semiconductor/insulating polymer containing only about 3 wt % of the organic semiconductor exhibits electrical properties equal to those of a thin film composed exclusively of an organic semiconductor. The insulating polymer acts as a protective layer of the organic thin film transistor, thus obviating a need for forming the protective layer.01-26-2012
20120014607METHOD AND CAMERA FOR DETECTING A REGION HAVING A SPECIFIC SHAPE - A method of detecting a region having a specific shape in a camera is provided. The method includes processing input image data in a camera and detecting the region having the specific shape. The method includes calculating gradation differences between a central pixel and respective peripheral pixels in each of local regions of an image frame, comparing an average gradation difference with each of the gradation differences and obtaining local gradient pattern (LGP) values based on a comparison result in each of the local regions, and detecting the region having the specific shape from the image frame using the LGP values obtained from the respective local regions.01-19-2012
20110318528MANUFACTURING METHOD FOR 3D STRUCTURE OF BIOMATERIALS USING STEREOLITHOGRAPHY TECHNOLOGY AND PRODUCTS BY THE SAME - Disclosed is a manufacturing method for a 3D structure of biomaterials using a stereolithography technology capable of ensuring processability of various biomaterials. The manufacturing method for a 3D structure of biomaterials using a stereolithography technology includes: shaping a 3D sacrificial mold by using the stereolithography device; injecting prepared biomaterials into the sacrificial mold by using a solvent; curing the biomaterials by removing the solvent injected into the sacrificial mold; and acquiring the 3D structure from the cured biomaterials by removing the sacrificial mold.12-29-2011
20110317787TRANSMITTER SYSTEM FOR TRANSMITTING PARALLEL DATA BY COMPENSATING FOR CROSSTALK - A transmitter system for transmitting parallel data by compensating a crosstalk includes: first and second transmission lines parallel to each other; a first inverted crosstalk pulse generation unit configured to receive first transmission data and inverted first transmission data and output a first inverted crosstalk pulse according to a data mode; a second inverted crosstalk pulse generation unit configured to receive second transmission data transmitted in parallel to the first transmission data and inverted second transmission data and output a second inverted crosstalk pulse according to the data mode; a first addition unit configured to combine the first transmission data and the second inverted crosstalk pulse and output first compensation data to be transmitted to the first transmission line; and a second addition unit configured to combine the second transmission data and the first inverted crosstalk pulse and output second compensation data to be transmitted to the second transmission line.12-29-2011
20110311817CONJUGATE OF ARM-TYPE POLYETHYLENEGLYCOL WITH LINEAR POLYETHYLENEIMINE AS GENE CARRIER AND SYNTHESIS THEREOF - Disclosed are a gene carrier in which polyethyleneglycol is conjugated with polyethyleneimine and a method for the synthesis thereof. The gene carrier is useful in transferring DNA, siRNA and negatively charged peptides.12-22-2011
20110308385METHOD FOR SELECTIVELY ISOLATING HYDROGEN OR HELIUM USING A NATROLITE-BASED ZEOLITE, AND NOVEL NATROLITE-BASED ZEOLITE - The present invention relates to selectively isolating gases using a natrolite-based zeolite, and more particularly, to a novel natrolite-based zeolite and to selectively isolating hydrogen and/or helium gas using a natrolite-based zeolite. The present invention is characterized in that gas containing hydrogen is brought into contact with a natrolite-based zeolite to selectively isolate the hydrogen. The present invention provides a sorbent which can selectively isolate hydrogen and/or helium, and provides a method for isolating the hydrogen and/or helium at room temperature or at a high temperature.12-22-2011
20110307973METHOD FOR PRODUCING PLANTS WITH IMPROVED OR SUPPRESSED BLUE LIGHT RECOGNITION CAPABILITIES - The present invention relates to a method for producing plants with improved or suppressed blue light recognition capabilities.12-15-2011
20110300609NUCLEIC ACID EXTRACTION APPARATUS - The present invention relates to a nucleic acid extracting apparatus, and the nucleic acid extracting apparatus can include a pipe-shaped tube having an open outlet at one side thereof, and a hydrogel supporting member that is provided inside the tube and filters impurities excluding an extraction target material.12-08-2011
20110297216ORGANIC SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - An organic solar cell includes an anode and a cathode facing each other, a photoactive layer disposed between the anode and the cathode and including an electron donor and an electron acceptor, and a transparent auxiliary layer disposed between the anode and the cathode and in contact with the photoactive layer. The transparent auxiliary layer includes inorganic nanoparticles and a polymer.12-08-2011
20110286555METHOD AND APPARATUS FOR DETECTING PRESENCE OF SIGNAL IN WIRELESS COMMUNICATION SYSTEM BASED ON CR TECHNOLOGY - The present invention relates to a method of detecting the presence of a transmission signal of a transmitter in a reception signal in a wireless communication system based on CR technology. The method includes generating a frequency signal vector using a Fourier transform and a reception signal vector obtained by sampling the reception signal at a certain period, finding an eigenvalue and an eigenvector regarding a matrix, obtaining by approximating a covariance matrix of the frequency signal vector using a vectorized Fourier transform result of all channel impulse responses of the transmission signal linearly modulated, calculating a sufficient statistic on a basis of the frequency signal vector, the eigenvalue, and the eigenvector, finding a threshold which is a criterion for determining signal presence detection on a basis of a preset detection probability or a preset false alarm probability and the eigenvalue, and if the sufficient statistic is determined to be greater than the threshold, determining that the transmission signal exists.11-24-2011
20110280351APPARATUS AND METHOD FOR COMPENSATING FOR PHASE NOISE IN A RECEIVER SUPPORTING OFDM - An apparatus and method for compensating for phase noise in a receiver supporting Orthogonal Frequency Division Multiplexing (OFDM) by receiving a frequency-domain recovered signal and a time-domain received signal, estimating an average phase noise for each of the partial blocks of the signals, calculating an overall average phase noise using the average phase noises of the partial blocks, and removing the phase noise from the time-domain received signal using the calculated total average phase noise.11-17-2011
20110279299SUB-EXPONENT TIME-TO-DIGITAL CONVERTER USING PHASE-DIFFERENCE ENHANCEMENT DEVICE - A time-to-digital converter includes a phase-difference enhancement section configured to receive first and second input signals having a reference phase difference Δt, and to output first and second output signals having an enhanced phase difference; and a comparison section configured to receive the first and second output signals, to compare a phase difference between the first and second output signals with a reference delay time τ, and to output a comparison signal. The time-to-digital converter has a high resolution. That is to say, the time-to-digital converter has a resolution less than the minimum phase delay time of a delay element, which is obtainable in a corresponding semiconductor process.11-17-2011
20110274202APPARATUS AND METHOD FOR CHANNEL CODING IN A COMMUNICATION SYSTEM - A method for channel coding by a transmitter in a communication system is provided. The method includes determining a degree of coded bits of a Luby-Transform (LT) code based on a coding rate of a pre-code and the number of coded bits of the LT code, selecting at least one associated bit used for coding of the coded bits of the LT code from among information bits of the LT code, depending on the determined degree, and generating the coded bits of the LT code by applying a coding function to the selected associated bits.11-10-2011
20110269170pH Sensitive Metal Nanoparticle and Preparation Method - The present invention relates to a pH sensitive particle, a method of preparation thereof, and a use thereof. More particularly, the invention provides a pH sensitive metal nanoparticle and its use for medical treatment utilizing cell necrosis during photothermal therapy. The pH sensitive metal nanoparticle based on this invention consists of a pH sensitive ligand compound whose charge changes depending on the pH of the metal nanoparticle. The particle can be collected in cells, such as cancer cells which present an abnormal pH environment. The pH sensitive metal nanoparticle based on this invention can induce cell death through a photothermal procedure after aggregation. Therefore, the invention enables medical treatment using cell necrosis for e.g. cancer treatment.11-03-2011
20110263129METHOD OF ETCHING SEMICONDUCTOR NANOCRYSTALS - Disclosed is a method of etching semiconductor nanocrystals, which includes dissolving semiconductor nanocrystals in a halogenated solvent containing phosphine so that anisotropic etching of the surface of semiconductor nanocrystals is induced or adding a primary amine to a halogenated solvent containing phosphine and photoexciting semiconductor nanocrystals thus inducing isotropic etching of the surface of the nanocrystals, thereby reproducibly controlling properties of semiconductor nanocrystals including absorption wavelength, emission wavelength, emission intensity, average size, size distribution, shape, and surface state.10-27-2011
20110262922APTAMER SANDWICH ASSAYS - The present invention provides methods for identifying the plurality of aptamers that bind to different sites of a target molecule and methods for using the same, for example, in sandwich assays. In particular, the plurality of aptamers binding to different sites of the target molecules is identified from a library of aptamers identified from the same SELEX process.10-27-2011
20110254746TRANSMISSION LINE AND ANTENNA FOR VEHICLE - A transmission line for a vehicle includes: a steel plate for forming a body of a vehicle; a dielectric formed on the steel plate; and a conductive line formed on the dielectric. An antenna for a vehicle includes: a steel plate for forming a body of a vehicle; a dielectric formed on the steel plate; and a conductive line formed on the dielectric in such a manner as to include a radiating structure.10-20-2011
20110254195METHOD FOR MANUFACTURING MICRO STRUCTURE USING X-RAY EXPOSURE - Provided is a method for fabricating a microstructure. The method includes disposing an X-ray mask on photosensitive material and exposing the photosensitive material by radiating X-rays to the photosensitive material using a side exposure scheme, etching the exposed photosensitive material, forming a mold having a micro-pattern by filing the etched photosensitive material with metal, forming a mold module by combining a plurality of molds, and forming a microstructure using the mold module.10-20-2011
20110252397METHOD OF PROVIDING AUTONOMIC MANAGEMENT OF SOFTWARE SYSTEM, RECORDING MEDIUM STORING PROGRAM FOR PERFORMING THE SAME, AND SYSTEM HAVING FUNCTION OF AUTONOMIC SOFTWARE MANAGEMENT - Provided are a method of providing autonomic management of a software system, a recording medium storing a program for executing the method, and a system having a function of autonomic software management. When a request for a service is received from a user, all configurations of a system capable of providing the requested service are obtained from a dynamic feature model, a configuration corresponding to the requested service is obtained among all of the obtained configurations on the basis of a previously set policy to reconfigure resources of the system, and the requested service is provided on the basis of the reconfigured resources. Accordingly, it is possible to provide a service optimized for an environment that varies in real time without user intervention.10-13-2011
20110244790RELAY AND METHOD FOR SIGNAL TRANSMISSION THEREOF - A method for signal transmission of a relay, includes estimating a first modulation/demodulation channel between a transmitter and the relay and a second modulation/demodulation channel between the relay and a receiver, and an interference channel of the relay, receiving a radio frequency signal from a transmitter, generating a transformation vector using the channel estimate in order to reduce self-interference of the relay under a predetermined level, converting the radio frequency signal using the transformation vector, and transmitting the converted radio frequency signal to the receiver.10-06-2011
20110237542COMPOSITION FOR PREVENTING ADHESION - The present invention relates to a composition for preventing tissue adhesion which comprising a bio-compatible hyaluronic acid and a polymer compound. More specifically, the invention is a composition containing hyaluronic acid which has not been modified by a chemical crosslinking or other chemical modification a method for preparing the same, and a composition for adhesion prevention with superior efficacy.09-29-2011
20110234465PLANAR CRLH ANTENNA - The present invention relates to a planar composite right/left handed (CRLH) antenna, comprising: a substrate body which is made of dielectric materials, and which has a planer structure; a radiation line which is disposed on one side of the substrate body, and which is bent to form a slot for exposing a predetermined width of the substrate body through both ends thereof, and which resonates at a predetermined frequency band when fed; and a feeder line which is disposed on the outer side of the substrate body, which extends across the slot, and which feeds electric power to the radiation line. The planar CRLH antenna of the present invention is small in size, and expands a radiation area, thereby expanding an available frequency band, or using a dual frequency band.09-29-2011
20110226282CLEANING METHOD USING CLEANING ROBOT - Provided is a cleaning method using a cleaning robot achieving high cleaning efficiency without expensive sensors. The cleaning method using the cleaning robot includes: a first step of traveling and performing a cleaning operation along a path determined by a winding pattern from a cleaning start point by the cleaning robot; a second step of, when the cleaning robot detects an obstacle, traveling and performing the cleaning operation along an outer wall of the obstacle; and a third step of, when the cleaning robot arrives at the path determined by the winding pattern while traveling and performing the cleaning operation along the obstacle, traveling and performing the cleaning operation along the remaining path determined by the winding pattern.09-22-2011
20110204974APPARATUS FOR IMPROVING PERFORMANCE AT LOW POWER REGION IN A DOHERTY AMPLIFIER - A method and apparatus improve the performance of a carrier amplifier in a Doherty amplifier. The Doherty amplifier includes a power divider, a carrier amplifier, at least one peaking amplifier, offset lines, and a Doherty circuit. The power divider provides a power signal to each of the carrier amplifier and the at least one peaking amplifier. The carrier amplifier amplifies power of a signal inputted from the power divider. The at least one peaking amplifier amplifies power of a signal inputted from the power divider. The offset lines control a load impedance when the at least one peaking amplifier does not operate. When the at least one peaking amplifier does not operate, the Doherty circuit generates the load impedance of the carrier amplifier that is larger than twice a load impedance at the maximum output power of the carrier amplifier.08-25-2011
20110195007CATALYST FOR REMOVING NOx FROM EXHAUST GAS OF LEAN-BURNING AUTOMOBILES OR INCINERATORS - The present invention relates to a catalyst for removing NOx contained in exhaust gas, more specifically to a catalyst for removing NOx using metal titanate as a support. The catalyst for removing NOx according to the present invention allows metal titanate to act as a support as well as an adsorption and storage agent (hereafter an adsorption/storage agent) of NOx in lean-burn conditions. Supported noble metals or transition metal components provide a catalyst function which helps adsorption/storage by oxidizing NOx into NO2 in lean-burn conditions and participates in the reaction of reducing the adsorbed and stored NO2 into N2 in fuel-rich conditions. The catalyst according to the present invention has twice the NOx storage amount of conventional catalysts, for example Ba, and enables effective removal even in operational conditions of a wider range than 150˜700° C. In addition, practical use which has been impossible until now is enabled due to the stable NOx removal capability even in conditions where SOx is present in exhaust gas.08-11-2011
20110184042RNA Aptamer Specifically Binding to Carcinoembryonic Antigen and Use thereof - Provided are RNA aptamer specifically binding to cancer metastasis-inducing domain of CEA (Carcinoembryonic antigen), a composition for prevention and/or inhibition and/or diagnosis of cancer metastasis containing the same as an active ingredient, and a method of prevention and/or inhibition and/or diagnosis of cancer metastasis using the same.07-28-2011
20110180787Ink-Jet Print Ink and Organic Thin Film Transister Using Thereof - The present invention provides ink-jet printing ink for organic semiconductors, and, more particularly, provides ink-jet printing ink for organic semiconductors, which can be used to form a uniform crystalline thin film The ink-jet printing ink of the present invention includes a mixed solvent composed of a first solvent and a second solvent having a higher boiling point and lower surface tension than the first solvent, thus forming a uniform crystalline thin film in a volatilization process. Further, the present invention provides a circular organic thin film transistor having a high field-effect mobility of about 0.12 cm07-28-2011
20110176726METHOD OF CONVERTING COLOR IMAGE INTO GRAYSCALE IMAGE AND RECORDING MEDIUM STORING PROGRAM FOR PERFORMING THE SAME - Provided are a color to grayscale image conversion method of converting a color image into a grayscale image while maintaining original features of the color image, and a recording medium storing a program for performing the same. When an original color image is input, a target gradient with the features of the input original color image is acquired, and a global mapping function for converting the original color image into a grayscale image is determined based on the acquired target gradient. Thereafter, the original color image is converted into a grayscale image using the determined global mapping function. Therefore, it is possible to quickly convert a color image into a grayscale image, and to acquire a high-quality grayscale image with features of color difference included in the original color image.07-21-2011
20110175677DISTRIBUTED DOHERTY POWER AMPLIFIER - Provided is a distributed Doherty power amplifier exhibiting high efficiency and linearity at a wide range of bandwidths, the distributed Doherty power amplifier including a first amplifier; a second amplifier, which is connected to the first amplifier in parallel; a first shifting unit, which is interconnected between the input of the first amplifier and the input of the second amplifier and inverses the phase of the input of the second amplifier; and a second shifting unit, which is interconnected between the output of the first amplifier and the output of the second amplifier and inverses the phase of the output of the second amplifier, wherein the first amplifier and the second amplifier are Doherty power amplifiers, and each of the Doherty power amplifiers includes a carrier amplifier and a peaking amplifier, which are connected in parallel.07-21-2011
20110175130LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME - Provided are a vertical-type light emitting device and a method of manufacturing the same. The light emitting device includes a p-type semiconductor layer, an active layer, and an n-type semi-conductor layer that are stacked, a cover layer disposed on a p-type electrode layer to surround the p-type electrode layer, a conductive support layer disposed on the cover layer, and an n-type electrode layer disposed on the n-type semiconductor layer.07-21-2011
20110173670METHOD FOR REDUCING CHANNEL CHANGE TIME OF INTERNET PROTOCOL TELEVISION (IPTV) AND IPTV SERVICE PROVISION SERVER FOR IMPLEMENTING THE SAME - The present invention provides a method for reducing channel change time of an IPTV and an IPTV service provision server for implementing the same, which comprise: determining the type of each of individual channels to be provided to a user and the number of additional intraframes required to be inserted into video data to be provided via the channels; inserting the additional intraframes corresponding to the determined number into the video data; encoding the video data; and transmitting the encoded video data to a first router or a second router according to the determined channel type, before receiving a channel request signal from the user.07-14-2011
20110172417Heterogeneous Copper Nanocatalyst and Manufacturing Methods Thereof - This invention relates to a heterogeneous copper nanocatalyst composed of copper nanoparticles immobilized on a boehmite support, a method of preparing the same, and the use thereof. The copper nanocatalyst composed of the copper nanoparticles supported on boehmite exhibits excellent performance in a Huisgen cycloaddition reaction and an A3 coupling reaction of aldehyde, amine and alkyne. The copper nanocatalyst is able to be prepared in a large scale and shows superior reactivity even when used in a small amount under mild conditions without an additive in an organic reaction. This heterogeneous catalyst is easy to separate and reuse after the reaction.07-14-2011
20110168301ULTRAHIGH STRENGTH HOT DIP GALVANIZED STEEL SHEET HAVING MARTENSITIC STRUCTURE AS MATRIX, AND MANUFACTURING METHOD THEREOF - The present invention relates to a hot dip galvanized steel sheet and a manufacturing method thereof. The hot dip galvanize steel sheet includes a steel sheet including a martensitic structure as a matrix, and a hot dip galvanized layer formed on the steel sheet. The steel sheet includes C of 0.05 wt % to 0.30 wt %, Mn of 0.5 wt % to 3.5 wt %, Si of 0.1 wt % to 0.8 wt %, Al of 0.01 wt % to 1.5 wt %, Cr of 0.01 wt % to 1.5 wt %, Mo of 0.01 wt % to 1.5 wt %, Ti of 0.001 wt % to 0.10 wt %, N of 5 ppm to 120 ppm, B of 3 ppm to 80 ppm, an impurity, and the remainder of Fe.07-14-2011
20110165766T-GATE FORMING METHOD FOR HIGH ELECTRON MOBILITY TRANSISTOR AND GATE STRUCTURE THEREOF - A T-gate forming method for a high electron mobility transistor includes the steps of: coating a first, a second and a third resist, each having an electron beam sensitivity different from each other, on a semiconductor substrate; performing a first exposure process by using an electron beam on the semiconductor substrate and then selectively developing the third resist; defining a gate head area by selectively developing the second resist to have a developed width wider than that of the third resist; performing a second exposure process by using an electron beam on the semiconductor substrate and then selectively developing the first resist in a bent shape at a temperature lower than in the development of the second and the third steps; and depositing metallic materials on the resists and then removing them to form a T-gate.07-07-2011
20110161636METHOD OF MANAGING POWER OF MULTI-CORE PROCESSOR, RECORDING MEDIUM STORING PROGRAM FOR PERFORMING THE SAME, AND MULTI-CORE PROCESSOR SYSTEM - Provided are a method of managing power of a multi-core processor, a recording medium storing a program for performing the method, and a multi-core processor system. The method of managing power of a multi-core processor having at least one core includes determining a parallel-processing section on the basis of information included in a parallel-processing program, collecting information for determining a clock frequency of the core in the determined parallel-processing section according to each core, and then determining the clock frequency of the core on the basis of the collected information. Accordingly, it is possible to minimize power consumption while ensuring quality of service (QoS).06-30-2011
20110142179METHOD AND APPARATUS FOR GENERATING SOFT-DECISION INFORMATION BASED ON NON-GAUSSIAN CHANNEL IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for generating soft-decision information based on non-Gaussian channel in a wireless communication system is provided. A receiver receives a decision variable, models an interference or noise distribution in the decision variable as a non-Gaussian probability density function and estimates a number of parameters of the non-Gaussian probability density function, and determines a log likelihood ratio (LLR) of the decision variable using the results of the estimation, wherein the parameters of the non-Gaussian probability density function comprise a shape parameter for determining the shape of the non-Gaussian probability density function.06-16-2011
20110139277Manufacturing Method of Flow Passage Network and Flow Passage Network Using the Same - An exemplary embodiment of the present invention relates to a manufacturing method of a flow passage network and a flow passage network for minimizing energy loss occurring during fluid flow.06-16-2011
20110137877APPARATUS AND METHOD FOR CREATING AND MANAGING PERSONALIZED SERVICES IN COMMUNICATION SYSTEM - An apparatus for creating and managing personalized services includes: a pre-processing unit for converting vendor- and device-specific sensor data into a normalized form; an analysis unit for determining a current state of entities being managed based on the normalized sensor data to thereby determine whether current services and/or resources that have been allocated to a user are being satisfied or not; and a personalization unit for examining state-related context data to determine what action to take. The personalization of the services and/or resources provided to a user or set of users is managed by context-sensitive policy rules. In addition, a set of abstractions, in the form of preferences, profiles, and subscriptions, are collectively used to determine the set of services and/or resources, as a function of context, that a user or set of users are entitled to receive.06-09-2011
20110130090RF RELAY OF FULL-DUPLEX AND METHOD FOR REMOVING INTERFERENCE OF EM LEVEL THEREOF - A RF relay of a full-duplex generates a conversion matrix to belong to a null space of a channel matrix of an interference channel, generates a transmitting signal by converting a received signal using the conversion matrix, and then outputs the transmitting signal to a transmitting antenna. Therefore, an interference signal of an electromagnetic wave level (EM level) that can be generated while the transmitting signal passes through the interference channel can be canceled.06-02-2011
20110120970NANOPOROUS ANTIREFLECTION THIN FILM AND METHOD OF PRODUCING THE SAME USING BLOCK COPOLYMERS - Disclosed herein is a method of producing an antireflection thin film using a block copolymer and an antireflection thin film prepared by the method. Specifically, the present invention relates to a method of producing a nanoporous antireflection film by spin-coating using a block copolymer solution and subsequent processing and a preparation by the method. The antireflection film of the present invention is prepared by coating a substrate with a block copolymer and selectively removing at least one block in the coated block copolymer to produce a nanoporous thin film with a pore size of 5 to 100 nm. When the thin film is applied to a substrate, an antireflection substrate which has a very low reflectance within a broad range of wavelength can be prepared.05-26-2011
20110114192APPARATUS FOR CONTROLLING DROPLET MOTION IN ELECTRIC FIELD AND METHOD OF THE SAME - The present invention relates to an apparatus for controlling droplet motion in an electric field by reducing volume of a single droplet to a very small volume using a strong electric field and controlling a position of a droplet using a repulsive force of the same polarity, and a method of the same. The apparatus according to an exemplary embodiment of the present invention includes a first electrode, an insulator disposed above the first electrode, a discharge tip disposed above the insulator by a predetermined distance and dividing a transferred fluid into a small volume of a droplet, and a second electrode contacting the fluid supplied through the discharge tip. The first electrode and the second electrode may form an electric field at an end of the discharge tip by forming a potential difference between the first electrode and the second electrode.05-19-2011
20110108551LIQUID CONTAINER - An exemplary embodiment of the present invention relates to a liquid container that prevents a liquid substance from flowing down from the outlet by minimizing surface energy generated between the liquid substance and the outlet, and prevents leakage at a joint between the body and the guide.05-12-2011
20110092680METHOD OF SEPARATING AND PURIFYING CELLULAR COMPONENTS USING NON-COVALENT BOND BETWEEN CUCURBITAL DERIVATIVE AND GUEST COMPOUND AND APPARATUS USING THE SAME - Provided is a method of separating cellular components, the method including: a) contacting a guest compound-bound reactive compound with cells; b) lysing the cells; c) adding a host compound-bound solid phase to a solution including the lysates of the cells to prepare a mixture; d) separating binding pairs of the guest compound bound to cellular components and the host compound bound to the solid phase from the mixture, and purifying the binding pairs; and e) separating the cellular components from the binding pairs, wherein the guest compound-bound reactive compound is obtained through a covalent bond between a reactive compound and a guest compound represented by Formula 2 below guest, the host compound-bound solid phase is obtained through a covalent bond between a solid phase and a host compound represented by Formula 1 below, and the reactive compound includes at least one selected from the group consisting of a biomolecule, N-hydroxysuccimide, an antigen, an antibody, an aptamer, folic acid, transferrin, and any mixtures thereof.04-21-2011
20110090028MICTOSTRIP TRANSMISSION LINE STRUCTURE WITH VERTICAL STUBS FOR REDUCING FAR-END CROSSTALK - Provided is a microstrip transmission line for reducing far-end crosstalk. In a conventional microstrip transmission line on a printed circuit board, a capacitive coupling between adjacent signal lines is smaller than an inductive coupling therebetween, so that far-end crosstalk occurs. According to the present invention, the capacitive coupling between the adjacent signal lines is increased to reduce the far-end crosstalk. A vertical-stub type microstrip transmission line is provided.04-21-2011
20110075632HETEROGENEOUS COMMUNICATION SYSTEM AND METHOD FOR CIRCUIT SWITCHED HANDOVER - A heterogeneous communication system of performing a handover from a WiMAX communication system to a LTE communication system includes a UE adapted to request a handover connection establishment to the LTE communication system while receiving a CS service from the WiMAX communication system, request an authentication to the first WiMAX system, preferentially perform the handover to the LTE communication system, and switch to the LTE communication system in response to a handover message; and a GANC adapted to deliver the request of the handover connection establishment to the LTE communication system, notify the procedure of the authentication to the LTE communication system and provide the handover command message to the UE to switch to the LTE communication system, thereby providing the CS service to the UE through the LTE communication system. A handover from an LTE communication system to a WiMAX communication system is also disclosed.03-31-2011
20110073619PNEUMATIC DISPENSER - A pneumatic dispenser (03-31-2011
20110071040MASS- AND PROPERTY-TUNED VARIABLE MASS LABELING REAGENTS AND ANALYTICAL METHODS FOR SIMULTANEOUS PEPTIDE SEQUENCING AND MULTIPLEXED PROTEIN QUANTIFICATION USING THEREOF - The present invention provides variable mass labeling reagents, a set of the variable mass labeling reagents, and a multiplexed set of variable mass labeling reagents.03-24-2011
20110070674GALLIUM NITRIDE-BASED III-V GROUP COMPOUND SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a gallium nitride-based compound semiconductor device and a method of manufacturing the same. According to the present invention, there is provided a gallium nitride-based III-V group compound semiconductor device comprising a gallium nitride-based semiconductor layer and an ohmic electrode layer formed on the gallium nitride-based semiconductor layer. The ohmic electrode layer comprises a contact metal layer, a reflective metal layer, and a diffusion barrier layer.03-24-2011
20110064168METHOD AND APPARATUS FOR DETECTING SPACE-TIME BLOCK CODES - A method for detecting a space-time block code is provided. The method includes randomly selecting one initial candidate layer (x03-17-2011
20110054848METHOD AND SYSTEM FOR SEPARATING MUSICAL SOUND SOURCE - Provided is an apparatus of separating a musical sound source, which may re-construct mixed signals into target sound sources and other sound sources directly using sound source information performed using a predetermined musical instrument when the sound source information is present, thereby more effectively separating sound sources included in the mixed signal. The apparatus may include a Nonnegative Matrix Partial Co-Factorization (NMPCF) analysis unit to perform an NMPCF analysis on a mixed signal and a predetermined sound source signal using a sound source separation model, and to obtain a plurality of entity matrices based on the analysis result, and a target instrument signal separating unit to separate, from the mixed signal, a target instrument signal corresponding to the predetermined sound source signal by calculating an inner product between the plurality of entity matrices.03-03-2011
20110053594APPARATUS AND METHOD FOR LOCATION MANAGEMENT OF USER EQUIPMENT IN GENERIC ACCESS NETWORK - In apparatus for location management of a UE in a generic access network (GAN), one or more points of attachment (PoAs) are grouped together to create GAN paging area (GPA) information. The GPA information is transmitted to the UE in a register accept message during a location registration with the UE so that the UE checks the GPA information and performs a register update only when the UE moves between PoAs of different GPAs when changing PoA, thereby enabling an efficient power consumption of the UE.03-03-2011
20110053285SENSOR USING MASS ENHANCEMENT OF NANOPARTICLES - Provided herein is a method of detecting a biomolecule, which enhances a mass of the target biomolecule by irradiating light to a photocatalytic nanoparticle binding to the target biomolecule. Accordingly, the method can effectively detect a change in mass, and provide economical and rapid detection using a low-priced photocatalyst.03-03-2011
20110053039ELECTRODE CATALYST, AND MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL INCLUDING THE ELECTRODE CATALYST - An electrode catalyst for a fuel cell having comparable electrochemical activity as a platinum electrode catalyst but is much cheaper than the platinum electrode catalyst has a structure in which palladium and at least one metal catalyst selected from the group consisting of nickel, gold, iron, and silver, and combinations thereof, are supported on a tungsten carbide and carbon mesoporous composite support. A membrane electrode assembly and a fuel cell including the electrode catalyst also has comparable electrochemical activity as a platinum electrode catalyst but is also much cheaper than the platinum electrode catalyst.03-03-2011
20110026809Fast multi-view three-dimensional image synthesis apparatus and method - A fast multi-view three-dimensional image synthesis apparatus includes: a disparity map generation module for generating a left image disparity map by using left and right image pixel data; intermediate-view generation modules for generating intermediate-view pixel data from different view points by using the left and right image pixel data and the left image disparity map; and a multi-view three-dimensional image generation module for generating multi-view three-dimensional image pixel data by using the left image pixel data, the right image pixel data and intermediate-view pixel data. Each of the intermediate-view generation module includes: a right image disparity map generation unit for generating a rough right image disparity map; an occluded region compensation unit for generating a right image disparity map by removing occluded regions from the rough right image disparity map; and an intermediate-view generation unit for generating the intermediate-view pixel data from the different view points.02-03-2011
20110026470MOBILE IPTV SYSTEM AND METHOD OF PROVIDING MOBILE IPTV SERVICE - A mobile IPTV system and a method of providing a mobile IPTV service are provided. The mobile IPTV system includes an IPTV head end, a base station, and a mobile terminal. The IPTV head end encodes data for an IPTV stream into a base layer and an enhancement layer and outputs the encoded data. The base station receives the IPTV stream from the IPV head end and partially truncates the enhancement layer of the IPTV stream according to a combination of a modulation technique and a cording rate which are determined in advance and outputs a transmission IPTV stream. The mobile terminal receives the transmission IPTV stream from the base station. Since an IPTV service is provided in view of a user distribution characteristic of a network, user can be efficiently provided with satisfactory QoS.02-03-2011
20110025241SENSORLESS CONTROL METHOD OF HIGH PERFORMANCE PERMANENT MAGNET SYNCHRONOUS MOTOR DURING EMERGENCY OPERATION - The present invention provides a position sensorless control method of a high performance permanent magnet synchronous motor during emergency operation, which can accurately detect a magnetic pole position of the synchronous motor based on a position sensorless vector control using an adaptive observer configured based on a permanent magnet synchronous motor model.02-03-2011
20110017973Nanodevice, Transistor Comprising the Nanodevice, Method for Manufacturing the Nanodevice, and Method for Manufacturing the Transistor - A nanodevice, a transistor including the nanodevice, a method of manufacturing the nanodevice, and a method of manufacturing the transistor including the nanodevice are provided. The nanodevice includes a substrate, a mask layer located on the substrate and having at least one opening, and a nanotube formed on the substrate through the opening along an edge of the opening. The nanotube extends through the opening in a direction substantially perpendicular to a surface of the substrate.01-27-2011
20110006036Method for Fabricating Membrane having Hydrophilicity and Hydrophobicity - A method for fabricating a membrane is disclosed, to provide both hydrophilicity and hydrophobicity to predetermined positions of a surface of a single membrane. The method for fabricating a membrane includes: preparing a template with nano-scale holes formed on its outer surface; coating a polymer material on a predetermined pattern region of the outer surface of the template; attaching a hydrophilic film on the outer surface of the template; and removing the template from the hydrophilic film.01-13-2011
20100330671MOLECULAR TRANSPORTERS BASED ON SUGAR AND ITS ANALOGUES AND PROCESSES FOR THE PREPARATION THEREOF - The inventive molecular transporter compound shows significantly high permeability through a biological membrane such as a plasma membrane, nuclear membrane and blood-brain barrier, and accordingly, can be effectively used in delivering various biologically active molecules.12-30-2010
20100330608MOLECULAR TRANSPORTERS BASED ON SUGAR AND ITS ANALOGUES AND PROCESSES FOR THE PREPARATION THEREOF - The inventive molecular transporter compound shows significantly high permeability through a biological membrane such as a plasma membrane, nuclear membrane and blood-brain barrier, and accordingly, can be effectively used in delivering various biologically active molecules.12-30-2010
20100319029METHOD AND APPARATUS FOR CONTROLLING CHANNEL FOR PROVIDING INTERNET PROTOCOL TELEVISION SERVICE - A method and apparatus for controlling a channel for providing an IPTV is disclosed, which is capable of improving use efficiency of network resource and reducing a channel zapping time by controlling a channel type of each channel and a bit rate of video data to be transmitted through each channel, the method comprising (a) determining an optimal channel status vector among channel status vectors to indicate channel types of respective channels, wherein the optimal channel status vector enables a minimum cost corresponding to the sum of an average channel zapping time of respective channels and an average distortion value of video data transmitted through the respective channels; and determining an optimal bit rate at the determined optimal channel status vector; and (b) transmitting the video data at the optimal bit rate through the respective channels.12-16-2010
20100315478Semiconductor laser diode, printhead including the diode, and image forming apparatus including the diode - Provided are a semiconductor laser diode, and a printhead and an image forming apparatus including the semiconductor laser diode. The semiconductor laser diode includes a concave-convex pattern, and emits light having a Gaussian light intensity distribution. High quality images are provided by applying the semiconductor laser diode to a printhead and an image forming apparatus.12-16-2010
20100306724METHOD OF INCREMENTAL STATISTICAL STATIC TIMING ANALYSIS BASED ON TIMING YIELD - Provided is a method of incremental SSTA (statistical static timing analysis) of a digital circuit, the method including a first step in which, when a gate is replaced in the digital circuit, delay propagation is performed from a node of a replaced gate to a virtual sink node based on SSTA; a second step in which, if a changed value of a gate timing yield at each gate which propagates delay toward the virtual sink node is smaller than a predetermined threshold value, delay propagation with respect to a fanout gate of the corresponding gate is stopped; and a third step in which, when a delay with respect to the node of the replaced gate is propagated to the virtual sink node, a new timing yield is calculated at the virtual sink node.12-02-2010
20100304026Method and Apparatus for Manufacturing a Nanowire - A method and an apparatus for manufacturing a nanowire are provided. The method for manufacturing a nanowire includes i) providing a source gas into a chamber, ii) controlling the temperature of a substrate received in the chamber separately from the temperature of the source gas, iii) forming a temperature gradient on the substrate, and iv) forming a nanowire having at least one growth condition selected from a group of growth speed and growth direction controlled according to the temperature gradient on the substrate.12-02-2010
20100299114METHOD OF CALCULATING GATE DELAY BASED ON CROSSTALK EFFECT DUE TO CAPACITIVE COUPLING - Provided is a method of exactly calculating the delay of a gate in a digital integrated circuit (IC) that drives a capacitive load and a noise current source based on a crosstalk effect due to capacitive coupling between adjacent conductive lines, the method calculates the delay of the gate by using an output waveform that sums an output waveform of a linear time-varying output resistance model generated by using a gate output resistance library generated by using input and output voltage values of the digital IC and an output waveform of a modified Thevenin equivalent model of the gate.11-25-2010
20100291089LIGAND OF REGULATING IMMUNE RESPONSE, AND USE THEREOF IN TREATING AN IMMUNE RESPONSE-RELATED DISEASE - The present invention relates to a ligand to regulate immune response, i.e., PACAP27 which is one of pituitary adenylate cyclase-activating polypeptides and Serum amyloid A (SAA), and their novel use in treating or preventing diseases associated with immune response. More specifically, the present invention relates to a complex of PACAP27-FPRL1 having a regulatory effect on immune response, and a use thereof in regulating immune response. In another aspect, the present invention relates to a complex of SAA and FPRL1, and a use thereof in inhibiting synoviocyte hyperplasia and angiogenesis and treating or preventing inflammatory diseases including Rheumatoid arthritis (RA).11-18-2010
20100284489DIGITAL DIFFERENTIAL SIGNAL TRANSMITTER FOR LOW SUPPLY VOLTAGE - A digital differential signal transmitter circuit for a low supply voltage. A phase correction circuit for correcting digital signals transmitted through two signal paths in such a way as to have a phase relationship of differential signals and duty cycle correction circuits for correcting the digital signals in such a way as to maintain signal integrity in spite of changes in process, supply voltage and temperature are installed on the two signal paths so that the distortion of digital differential signals is compensated for. Power consumption at a final output section of the transmitter circuit is reduced. Impedances of the transmitter circuit and transmission lines are matched so that the transmitter circuit can operate insensitively with respect to operation circumstances.11-11-2010
20100283511LOW POWER CONSUMPTION LOW KICK-BACK NOISE COMPARATOR CIRCUIT FOR ANALOG-TO-DIGITAL CONVERTER - The present invention is directed for a comparator circuit used in an analog-to-digital converter, and more particularly, for a low power consumption low kick-back noise comparator circuit for an analog-to-digital converter, which can significantly reduce kick-back noise generated in a signal input stage due to a signal regeneration method employed in a signal comparing operation and can efficiently reduce power consumption.11-11-2010
20100265977PHOTONIC QUANTUM RING LASER AND FABRICATION METHOD THEREOF - A photonic quantum ring (PQR) laser includes an active layer having a multi-quantum-well (MQW) structure and etched lateral face. The active layer is formed to be sandwitched between p-GaN and n-GaN layers epitaxially grown on a reflector disposed over a support substrate. A coating layer is formed over an outside of the lateral faces of the active layer, an upper electrode is electrically connected to an upper portion of the n-GaN layer, and a distributed Bragg reflector (DBR) is formed over the n-GaN layer and the upper electrode. Accordingly, the PQR laser is capable of oscillating a power-saving vertically dominant 3D multi-mode laser suitable for a low power display device, prevent the light speckle phenomenon, and generate focus-adjusted 3D soft light.10-21-2010
20100252525MANUFACTURING METHOD OF 3D SHAPE STRUCTURE HAVING HYDROPHOBIC EXTERNAL SURFACE - The present invention relates to a three-dimensional structure manufacturing method for performing surface treatment processes, and a replication step to provide hydrophobicity on an external surface of the three-dimensional structure. In the manufacturing method, the hydrophobicity may be provided to the external surface of the three-dimensional structure, a high cost device required in the conventional MEMS process is not used, the manufacturing cost is reduced, and the manufacturing process is simplified. In addition, it has been difficult to provide the hydrophobicity on an external surface of a three-dimensional structure having a large surface due to a spatial limitation, but in the exemplary embodiment of the present invention, the hydrophobicity may be provided to the external surface of the three-dimensional structure having a large surface, such as a torpedo, a submarine, a ship, and a vehicle, without the spatial limitation.10-07-2010
20100242006METHOD OF TIMING CRITICALITY CALCULATION FOR STATISTICAL TIMING OPTIMIZATION OF VLSI CIRCUIT - Provided is a method of optimizing statistical timing of an integration circuit, the method including applying subtle changes of mean arrival times with respect to each of nodes in a timing graph of an integrated circuit to ADD operations and MAX operations of a block-based statistical static timing analysis (SSTA) method and approximating the corresponding operations; generating Jacobian matrixes between each node by using matrix components including differential coefficients calculated during linear approximation of the operations; calculating changed arrival time values of the circuit by propagating the Jacobian matrixes from a virtual sink node to a virtual source node; and calculating timing yield criticalities, which are variances of timing yield of the circuit due to subtle changes of mean arrival times with respect to each node, based on values obtained by the propagation. Accordingly, timing yield criticality is calculated based on linear approximation of ADD operations and MAX operations of statistical static timing analysis (SSTA), and thus the calculation complexity is linear with respect to the total number of nodes, and critical nodes significantly affecting the timing yield of a circuit can be extracted more accurately.09-23-2010
20100227577APPARATUS AND METHOD FOR IMPROVING LINEARITY OF TRANSMITTER - Improvement of linearity of a transmitter is provided, by a transmission method that includes, when receiving a transmit signal, generating, at a modulation signal generator, a modulation signal modulated from the transmit signal, an average output level and an amplitude with respect to the modulation signal; receiving, at a Read Only Memory (ROM), the average output level and generating a peak amplitude; and generating, at an amplitude shaper, a gain value using the peak amplitude and the amplitude and generating magnitude information by adding an offset value.09-09-2010
20100225685Droplet Mixing Apparatus and Droplet Mixing Method - A droplet mixing apparatus can be applied for use with a variety of liquids, can provide a mixing speed of hundreds of nl/s by adjusting an opening/closing time of a solenoid valve, can effectively mix droplets, and can reduce a reaction time when applied to clinical appliances that utilize expensive liquids. The droplet mixing apparatus includes a plurality of pressure containers storing liquids that are to be dispensed, a plurality of solenoid valves that are respectively connected to the pressure containers to dispense the liquids fed from the pressure containers into a mixing container, and a control unit that controls the solenoid valves such that the solenoid valves are either simultaneously opened or alternately opened and closed.09-09-2010
20100210509LONG ACTING HYALURONIC ACID - PEPTIDE CONJUGATE - The invention relates to a novel bioconjugation protocol for peptide suitable for in vivo applications. Bioconjugation of the peptide to HA derivative increases its half life in circulation contributing for a high efficacy. More over, conjugate of HA derivative and peptide which is treated with hyaluronidase shows increased bioactivity. And also, in contrast to PEGylation, HA derivative can be conjugated with many numbers of peptide molecules per single HA derivative chain, which enables multiple action of peptide drugs.08-19-2010
20100210024Methods For Producing Surface Bound Oligonucleotide on Solid Substrate and Uses Thereof - The present invention relates to methods for producing an oligonucleotide on a solid substrate surface and methods for using the same. Some aspects of the invention provide methods for selecting a single DNA molecule reproducibily with an atomic force microscope (AFM).08-19-2010
20100208985APPARATUS AND METHOD OF PROCESSING IMAGE, AND RECORD MEDIUM FOR THE METHOD - A method and apparatus for processing an image to create a grayscale image are provided. The method includes converting, in a color image consisting of a plurality of pixels, a pixel value of each pixel in a RGB color space into a pixel value in a new color space through color space conversion, extracting color information using the pixel value in the new color space, calculating a luminance change amount of each pixel using the extracted color information, calculating a luminance value for the grayscale image by combining an original luminance value of each pixel and the luminance change amount, and creating the grayscale image according to the calculated luminance value. In converting color image into grayscale image and representing the grayscale image, the luminance change amount is set according to a property of each color perceived by humans and added to original luminance value, thereby explicitly discriminating among objects.08-19-2010
20100207700MICRO-STRIP TRANSMISSION LINE STRUCTURE OF A SERPENTINE TYPE - A micro-strip transmission line capable of reducing far-end crosstalk is provided. The micro-strip transmission line having a serpentine shape is capable of reducing the far-end crosstalk of the transmission line by increasing capacitive coupling between neighboring transmission lines by allowing parallel micro-strip transmission lines to have serpentine shapes. In the structure of the micro-strip transmission line having the serpentine shape, it is possible to reduce the far-end crosstalk of the transmission line by increasing capacitive coupling between neighboring transmission lines by allowing parallel micro-strip transmission lines to have serpentine shapes.08-19-2010
20100207528PORTABLE POWER SUPPLY APPARATUS FOR GENERATING MICROWAVE-EXCITED MICROPLASMAS - Provided is a portable power supply apparatus for generating microwave plasma, capable of minimizing a power reflected from a plasma generation apparatus and improving power consumption of the plasma generation apparatus by generating the plasma by using a microwave having a specific frequency, monitoring the power reflected from the plasma generation apparatus after the generation of the plasma, detecting a changed impedance matching condition, and correcting the frequency.08-19-2010
20100188153High-efficiency power amplification apparatus using saturated operation and method for controlling the same - A saturated power amplification apparatus and a method for controlling the same are provided, in which a power device is provided, and an output matcher matches a load impedance of the power device. The load impedance is a complex impedance exceeding an impedance generated during power matching in the saturated power amplification apparatus.07-29-2010
20100184636Method of Regulating Mammalian Target-of-Rapamycin Activity by Interaction Between Phospholipase D and Raptor - The present invention relates to a method of regulating mammalian target-of-rapamycin (mTOR) by regulating a phospholipase D (PLD) activity that generates a complex with mTOR. Further, the present invention also relates to a method of screening inhibitors of mTOR, and a method and a composition for treating mTOR-related metabolic diseases by inhibiting mTOR.07-22-2010
20100173589METHOD AND APPARATUS OF IMPROVING CAPACITY OF CHANNEL - A method and apparatus of improving capacity of channel is disclosed. A vector X(t) is generated based on a cycle period 1/T of a wide-sense cyclo-stationary (WSCS) noise and a whitening filter W(t) for decorrelating the WSCS noise in frequency domain. A scalar signal X(t) is generated by shifting the vector X(t) in the frequency domain.07-08-2010
20100166332METHODS OF DEBLURRING IMAGE AND RECORDING MEDIUMS HAVING THE SAME RECORDED THEREON - A method of deblurring an image by which blur can be easily and rapidly eliminated from one image and the quality of the image can be improved is provided. The method includes receiving a blurred image, an image estimation step of estimating a non-blurred image from the blurred image, a blur information estimation step of estimating blur information from the blurred image and the estimated non-blurred image, and a deblurring step of deblurring the blurred image based on the blurred image and the estimated blur information, wherein the image estimation step and the blur information estimation step are iteratively performed. Thus, blur can be rapidly and effectively eliminated from one image, thereby improving the quality of an image.07-01-2010
20100166305METHOD FOR DETECTING AND CORRECTING CHROMATIC ABERRATION, AND APPARATUS AND METHOD FOR PROCESSING IMAGE USING THE SAME - A method for detecting and correcting a chromatic aberration, and an apparatus and method for processing an image using the same are provided. A chromatic aberration is detected by dividing an edge portion of the image into static areas where a color varies below a reference value and a dynamic area where a color varies above the reference value, calculating a intensity difference value between at least one reference color and a comparative color for each of the static areas and the dynamic area, and determining at least one pixel having a intensity difference value exceeding a range of intensity difference values in the static areas among pixels in the dynamic area, as a chromatic aberration region. The chromatic aberration is corrected by correcting the intensity difference value for the pixels in the chromatic aberration region using a correction value in the intensity difference value range in the static area.07-01-2010
20100156371SINGLE SUPPLY PASS GATE LEVEL CONVERTER FOR MULTIPLE SUPPLY VOLTAGE SYSTEM - The present invention relates to a level converter used in a multiple supply voltage system that is required to design a low-power and high-performance semiconductor, and more particularly, to a single supply pass gate level converter (SPLC) for a multiple supply voltage system, which has low power consumption, operates at high speed, and uses only a single supply voltage. The SPLC includes an input data providing circuit unit which receives an input signal of a low supply voltage; a data inversion circuit unit which receives input data from the input data providing circuit unit and outputs inversed input data; a feedback circuit unit which is fed back by an output of the data inversion circuit unit; and a data output buffer which inverses an output of the data inversion circuit unit and outputs an inversed signal. The input data providing circuit unit, the data inversion circuit unit, the feedback circuit unit, and the data output buffer are all driven by a high supply voltage such that only a single supply voltage which is the high supply voltage is required.06-24-2010
20100156272Field Emission Device, Field Emission Display Device and Methods for Manufacturing the Same - A field emission device, a field emission display device, and a method for manufacturing the same are disclosed. The field emission device includes: i) a substrate; ii) an electrode positioned on the substrate; iii) a mask layer positioned on the electrode and including one or more openings; and iv) a plurality of nanostructures positioned on the electrode via the openings and formed to extend radially. The plurality of nanostructures may be applied to emit an electron upon receiving a voltage from the electrode.06-24-2010
20100151357METALLIC SEPARATOR FOR FUEL CELL - A metallic separator for a fuel cell with high corrosion resistance and low contact resistance without surface coating is provided. The separator for a fuel cell is formed by adding one or more of tantalum (Ta) and lanthanum (La) to an austenitic stainless steel that contains molybdenum (Mo) and tungsten (W).06-17-2010
20100144035Delivery system for nucleic acids using cationic polymer conjugates - The present invention relates to a delivery system for nucleic acid using a cationic polymer conjugate, and more specifically relates to a delivery system for nucleic acid comprising a cationic polymer conjugate prepared by conjugating hyaluronic acid or its derivative and polyethyleneimine, and a composition of delivering a nucleic acid into mammalian cell comprising a complex of the nucleic acid and a cationic polymer conjugate with electrostatic binding.06-10-2010
20100138671METHODS AND APPARATUSES FOR PROVIDING DRM INTEROPERABILITY - Methods and apparatuses for providing DRM interoperability are provided. Proxy re-encryption technique using bilinear map is used, and the same content can be used in different devices. According to the method of providing DRM interoperability includes in proxy agent with respect to digital rights management (DRM) service providers and device which supports predetermined DRM, first DRM service provider, second DRM service provider, the proxy agent, and the device identify each other, and proxy re-encrypt an interoperable content (IC) and provide the IC to the device. The IC is second-level encrypted by using a key of the first DRM service provider, and the proxy re-encryption is performed by using a proxy key generated from proxy key information provided from the first DRM service provider and the second DRM service provider. Therefore, a problem in which interoperability cannot be guaranteed since a DRM technique depends on a service provider is resolved.06-03-2010
20100136490MULTI-SCALE CANTILEVER STRUCTURES HAVING NANO SIZED HOLES AND METHOD OF PREPARING THE SAME - Provided are a multi-scale cantilever structure having nano-sized holes prepared by anodic oxidation and a method of preparing the same. The multi-scale cantilever structure is prepared using anodic oxidation and electro-polishing so that a manufacturing process is simple and a manufacturing cost is inexpensive. In addition, the multi-scale cantilever structure has a porous structure having a plurality of nano-sized holes inside thereof, and thus a surface area of the cantilever structure can be maximized. Therefore, when the cantilever structure is used in a sensor, the sensor can have improved sensitivity and selectivity.06-03-2010
20100134948HUMIDITY SENSOR HAVING ANODIC ALUMINUM OXIDE LAYER, AND FABRICATING METHOD THEREOF - Disclosed are a humidity sensor and a fabricating method thereof. The humidity sensor includes a substrate, an anodic aluminum oxide layer formed on the substrate and having a plurality of holes, and electrodes formed on the anodic aluminum oxide layer, in order to improve sensitivity and accuracy of the humidity sensor. Further, the fabricating method of a humidity sensor includes preparing an aluminum substrate, forming an anodic aluminum oxide layer by oxidizing the aluminum substrate, and forming electrodes on the anodic aluminum oxide layer.06-03-2010
20100130973Coagulation apparatus using cold plasma - Provided is a coagulation apparatus using cold plasma. In the coagulation apparatus, the cold plasma is generated by a microwave resonator with low power consumption in the atmosphere, and the cold plasma is vented on a bleeding portion of a wound. Accordingly, it is possible to accelerate coagulation process, to reduce unfavorable side effect such as burns on the wound, and to efficiently sterilize the wound, simultaneously. In addition, it is possible to implement a small-sized portable coagulation apparatus.05-27-2010
20100128847X-RAY INDUCED WETTABILITY MODIFICATION - Disclosed is a method for modifying wettability of a surface of an inorganic material, the method comprising the steps of: preparing an inorganic material with a surface; and charging the surface of the inorganic material with positive surface charges obtained from photoelectron-emission by an X-ray irradiation to the surface of the inorganic material.05-27-2010
20100126873MANUFACTURING METHOD OF 3D SHAPE STRUCTURE HAVING HYDROPHOBIC INNER SURFACE - The present invention relates to a manufacturing method of a three dimensional structure having a hydrophobic inner surface. The manufacturing method includes anodizing a three dimensional metal member and forming fine holes on an external surface of the metal member, forming a replica by coating a non-wetting polymer material on the outer surface of the metal member and forming the non-wetting polymer material to be a replication structure corresponding to the fine holes of the metal member, forming an exterior by surrounding the replication structure with an exterior forming material, and etching the metal member and eliminating the metal member from the replication structure and the exterior forming material.05-27-2010
20100124266Method and Device of Frequency Domain Equalization - A method of a frequency-domain equalization to jointly suppress inter-symbol interference (ISI) and data-like co-channel interference (CCI) includes receiving a transmit signal over a channel, generating a vector by sampling and converting the transmit signal to a frequency domain signal; generating an equalized vector by multiplying an equalization matrix to the vector generated by converting; generating an estimate of data vector by inverse converting the equalized vector; and recovering data included in the transmit signal based on the estimate of data vector, wherein the equalization matrix is generated by approximating a frequency domain correlation matrix. Significant computational complexity is reduced than the LMMSE equalization while resulting in almost no performance degradation compared to the LMMSE equalization.05-20-2010
20100114804REPRESENTATIVE HUMAN MODEL GENERATION METHOD - A representative human model generation method is provided. The method includes i) setting a design target population, ii) setting a target accommodating percentage of the design target population, iii) converting anthropometric sizes of the design target population to normalized squared distances, iv) setting a boundary region for a target accommodation percentage of the design target population using normalized squared distances, and v) forming a minimum number of clusters satisfying the target accommodation percentage by performing cluster analysis for anthropometric cases contained in the boundary region among the design target population.05-06-2010
20100102246APPARATUS AND METHOD FOR MONITORING BEAM POSITION BY USING ELECTROOPTIC EFFECT - An apparatus and method for monitoring a beam position using an electrooptic effect are disclosed. The apparatus for measuring the position of a charged particle passing through the interior of an accelerator includes: a crystal positioned within the accelerator and allowing laser generated from a laser generating unit to pass therethrough; a polarization unit polarizing the laser that has passed through the crystal; and a measurement unit measuring the polarized state of the polarized laser to monitor the charged particle. The position of the charged particle passing through the interior of the accelerator can be more accurately measured.04-29-2010
20100101568Inhalation Anesthetic Device - The present invention relates to an inhalation anesthetic device whereby a patient inhales an anesthetic gas and is smoothly anesthetized. The present invention provides an inhalation anesthetic device that includes an inflatable member that inflates when a gas flows therein, an inhaling pipe through which the gas passes and that is connected to the inflatable member, and a gas container that contains an anesthetic gas and is connected to the inhaling pipe. According to the present invention, a patient is smoothly anesthetized while inflating an inflatable member.04-29-2010
20100093994REPARATION METHOD OF AN AMINO LINKER OLIGONUCLEOTIDES AND LABELED-LINKER OLIGONUCLEOTIDE THEREFROM - A method for preparing amino linker oligonucleotides is provided, wherein an amino protecting group is efficiently removed from the amino linker oligonucleotides protected by the protecting group, and thereby achieving a high yield of the amino linker oligonucleotides.04-15-2010
20100086491Capsule Used for Measuring Flow Information Using X-Rays and Method of Measuring Flow Information Using the Same - The present invention relates to a capsule used for measuring flow information using X-rays and a method of measuring flow information using the same. More particularly, the present invention relates to a capsule used for measuring flow information using X-rays including a biocompatible polymer, an organic contrast agent or deionized water, and a cross-linking agent, wherein the biocompatible polymer that is cross-linked with the cross-linking agent is filled with an organic contrast agent or is empty. Thereby, it is possible to remarkably increase the image-capturing time, to accurately and quantitatively measure the blood flow, and to gain accurate in vivo flow information.04-08-2010
20100084682OHMIC ELECTRODE AND METHOD THEREOF, SEMICONDUCTOR LIGHT EMITTING ELEMENT HAVING THIS - There are provided an ohmic electrode, which includes a contact layer made of an Al alloy and formed on a nitride-based semiconductor layer functioning as a light emitting layer, a reflective layer made of Ag metal, formed on the contact layer and having some particles in-diffused to the semiconductor layer, and a protective layer formed on the reflective layer to restrain out-diffusion of the reflective layer; a method of forming the ohmic electrode; and a semiconductor light emitting element having the ohmic electrode. The present invention has strong adhesive strength and low contact resistance since the reflective layer and the light emitting layer directly form an ohmic contact due to the interface reaction during heat treatment, and the present invention has high light reflectance and excellent thermal stability since the contact layer and the protective layer restrain out-diffusion of the reflective layer during heat treatment.04-08-2010
20100075447METHOD OF MANUFACTURING A FLEXIBLE DEVICE AND METHOD OF MANUFACTURING A FLEXIBLE DISPLAY - Provided are a method of separating a metal layer and an organic light emitting diode. A method of manufacturing a flexible device and a method of manufacturing a flexible display include forming a releasing layer on a substrate, forming a metal layer on the releasing layer, forming an insulating layer on the metal layer, forming a releasable layer on the insulating layer, bonding a plastic to the releasable layer, and separating the substrate and the releasing layer at an interface therebetween to manufacture a flexible device. Since the conventional process equipment using the glass substrate can be compatibly used, the manufacturing cost can be reduced. In addition, since the glass substrate has less limitation in the process temperature compared with the plastic substrate, an electric device having a superior performance can be manufactured. Furthermore, the glass substrate has good thermal/chemical stability and is less deformed compared with the plastic substrate, whereby process control such as substrate alignment becomes easy.03-25-2010
20100074095TRANSMITTER CIRCUIT TO COMPENSATE FOR INFLUENCE OF CROSSTALK NOISE IN PRE-EMPHASIS SCHEME - A transmitter circuit for transmitting parallel data, suitable for compensating for influence of crosstalk noise in a pre-emphasis scheme. The transmitter circuit includes first through N03-25-2010
20100063519SUTURE DEVICE FOR SURGICAL OPERATION - The present invention relates to a suture device for a surgical operation that makes it easy to suture a wound or an incision. A suture device for a surgical operation of the present invention includes: a suture needle that is curved with a needle eye at one end to be threaded with a first suture, and swings at an incision; a holder that supplies a second suture, rotates in one direction, and stops, corresponding to the swing of the suture needle to weave the first suture and the second suture and suture the incision; a first rotary member that is connected to a first shaft of the suture needle; a second rotary member that is connected to a second shaft of the holder; and a third rotary member that is provided between the first rotary member and the second rotary member, and connected to a third shaft to transmit torque to the second rotary member.03-11-2010
20100062154Method for preparing core/shell structure nanoparticles - A nanoparticle having a core/shell structure can be rapidly and reproducibly prepared by the inventive method which comprises: (i) dissolving a shell precursor in a solvent to form a shell precursor solution, and then allowing the shell precursor solution to be stabilized at a temperature suitable for the shell precursor to form an overcoat on the surface of a core nanoparticle; and (ii) adding a powder form of the core nanoparticle to the stabilized shell precursor solution.03-11-2010
20100042380CAD/CAE SYSTEM AND METHOD FOR DESIGNING AND ANALYZING UBIQUITOUS SYSTEMS - Provided are a computer-aided design (CAD)/computer-aided engineering (CAE) system and a method for designing and analyzing a ubiquitous system. The CAD/CAE system includes: a design system which generates a system model in a 3-layer structure including an environment layer defining environmental elements and physical structures of the ubiquitous system, a component layer defining devices constituting the ubiquitous system, and a scenario layer representing behaviors of components of the ubiquitous system, and re-defines the system model in order to define a plurality of design alternatives; a simulator which is connected to the design system to simulate the system model designed by the design system; and an analysis system which is connected to the simulator to analyze results of the simulation performed by the simulator and recommend an optimal design alternative.02-18-2010
20100028615METHOD FOR FABRICATING SUPERHYDROPHOBIC SURFACE AND SOLID HAVING SUPERHYDROPHOBIC SURFACE STRUCTURE BY THE SAME METHOD - A method of processing a superhydrophobic surface and a solid body having the superhydrophobic surface processed by the method are provided. The method includes orienting a spray nozzle of a particle sprayer toward a surface of a metal body, operating the particle sprayer to forming micro-scale protrusions and depressions on the surface of the metal body by spraying particles to the surface of the metal body, forming a plurality of nano-scale holes on the surface of the metal body by treating the metal body through an anodic oxidation process, forming a replica by immersing the metal body in a non-wetting polymer material and solidifying the non-wetting polymer material, and forming a superhydrophobic dual-scaled surface structure having nano-scale pillars formed on micro-scale protrusions and depressions by removing the metal body and an anodic oxide from the replica.02-04-2010
20100012477MODIFICATION OF CARBON FIBERS BY MEANS OF ELECTROMAGNETIC WAVE IRRADIATION - The present invention relates to a surface modification of carbon fibers, and more particularly to, such a method of modifying the surface of carbon fibers by irradiating an electromagnetic wave to the carbon fibers. When an electromagnetic wave of a high frequency is irradiated to the carbon fibers, the carbon fibers are modified. The modified carbon fibers have an increased surface roughness. In case of manufacturing a composite material by mixing the carbon fibers with a matrix, the modified carbon fibers are relatively greatly improved in physical property as compared to the original carbon fibers prior to the modification.01-21-2010
20100001870Method and apparatus for detecting abnormal power consumption of a battery in mobile devices - A method for detecting abnormal power consumption of respective batteries in mobile devices includes defining one or more operational states affecting power consumption of the batteries; collecting time-series data on an amount of the power consumption and use time of each battery in each of the operational states; calculating a power consumption rate, usage patterns, and an actual use time of the individual batteries based on the time-series data; estimating an amount of an available time remaining on the individual batteries based on average power consumption rate of all of the batteries; and comparing the estimated available time with the actual use time of the individual batteries to judge whether a power of the individual batteries is being consumed abnormally.01-07-2010
20090317590METHOD FOR FABRICATING SUPERHYDROPHOBIC SURFACE AND SOLID HAVING SUPERHYDROPHOBIC SURFACE STRUCTURE BY THE SAME METHOD - A method of processing a superhydrophobic surface and a solid body having the superhydrophobic surface processed by the method are provided. The method forming a plurality of nano-scale holes having nano-scale diameter on a surface of a metal body through an anode oxidation process, forming a replica by immersing the metal body provided with the nano-scale holes in a hydrophobic polymer material and solidifying the hydrophobic polymer material, and forming the superhydrophobic surface by removing the metal body with an anode oxide. The solid body includes a base, and a surface structure having micro-scale unevenness formed by a plurality of bunches formed by a plurality of adjacent pillars that are formed on the base and have a nano-scale diameter.12-24-2009
20090315774APPARATUS FOR CORRECTING PHASE OF PHASED ARRAY ANTENNA AND METHOD THEREOF - Provided are an apparatus for correcting a phase of a phased array antenna and a method thereof. The apparatus for correcting a phase of a phased array antenna for receiving a radio signal, includes a phased array antenna for receiving radio signals from a reference antenna and combining power of the received radio signals, a power dividing unit for dividing the combined power of the received radio signals, a voltage detecting unit for detecting voltage values of the divided radio signals, and a phase controlling unit for estimating a phase error that makes the detected voltage value maximum and controlling a phase of each radiation element of the phased array antenna using the estimated phase error.12-24-2009
20090312250EPIDERMAL GROWTH FACTOR INCREASING INSULIN SECRETION AND LOWERING BLOOD GLUCOSE - The present inventors show that a brief exposure to EGF stimulates insulin secretion glucose-independently via a Ca2+ influx- and PLD2-dependent mechanism. Furthermore, the present invention shows that EGF is a novel secretagogue that lowers plasma glucose levels in normal and diabetic mice, suggesting the potential for EGF treatment in diabetes.12-17-2009
20090312072Method for predicting available time remaining on battery in mobile devices based on usage patterns - A method for predicting an available time of a battery in a mobile device includes: defining one or more modes depending on usage patterns of the mobile device that affects power consumption of the battery; creating time-series data about power consumption amount of the battery and use time of the battery in each mode; calculating, based on the time-series data, average power consumption rate per each mode and use time rate; and predicting the available time of the battery, based on the average power consumption rate per each mode and the use time rate per each mode.12-17-2009
20090299513PRODUCT RECOVERY MANAGEMENT SYSTEM - A product recovery management system is provided for assisting a worker who lacks professional knowledge or experiences of related products to efficiently, easily perform a product recovery work. The system includes a Device to Ubiquitous (D2U) interface module, a product recovery management system (PRMS) database (DB) that stores product information and various types of information related to product recovery, a product recognizing module that refers to one of the PRMS DB and the product lifecycle information infrastructure for information of a corresponding information using an identification (ID) of the product transmitted from the D2U interface module. The system further includes a recovery plan making module provides a user terminal of a worker with steps and related information necessary for a product recovery process through the user interface module using the product information collected from the product lifecycle information infrastructure.12-03-2009
20090297396FABRICATION METHOD OF ALLOY PARTS BY METAL INJECTION MOLDING AND THE ALLOY PARTS - Provided is a method of manufacturing a part and the part capable of manufacturing a high value-added precision part having a low sintering temperature, a good hardness, and a good productivity at a low cost. The method includes steps of: mixing a material of from 40 to 75 wt % selected from the group consisting of Fe and a combination of Fe and Co, a material of 20 wt % or more selected from the group consisting of W, Mo, Cr, Nb, V, and Ni, a material of from 2 to 14 wt % selected from the group consisting of B, C, Cu, and Si, alloy powder having a composition including unavoidable impurities, and a binder; performing an injection molding on the mixture to form the injection moldings to have a shape of the part; removing the binder from the injection moldings; and sintering the injection moldings from which the binder is removed.12-03-2009
20090289641Area-variable type capacitive displacement sensor having mechanical guide - An area-variable type capacitive displacement sensor includes: a stationary element; a movable element; an elastic member for providing a force biasing one of the stationary element and the movable member towards a remaining one thereof in a direction perpendicular to a driving direction so that the stationary element and the movable member are maintained in close contact with each other; a power supply; and a signal detecting circuit. The sensor further includes a guide means for correcting an initial alignment error and reducing an operation alignment error between the stationary element and the movable element.11-26-2009
20090286480Method and Apparatus of Sharing Spectrum with Legacy Communication System - A method of sharing spectrum with a legacy communication system includes acquiring spectrum correlation of the legacy communication system, and generating a transmit waveform based on the spectrum correlation. Unlike conventional cognitive radios that utilize spectrum holes only, the proposed method can also utilize spectrally correlated frequency components where primary-user signals are present.11-19-2009
20090279505SERVICE ZONE SWITCHING METHOD BASED ON LOAD CONSIDERING INTER-CELL INTERFERENCE IN 802.16/WIBRO SYSTEMS - There is provided a method of switching a zone through which services are provided to subscriber stations (SS) in an environment using an FRF-1 zone and an FRF-3 zone based on traffic load of each zone in order to reduce the inter-cell interference in 802.16/WiBro systems. The service zone switching method based on load considering inter-cell interference in 802.16/WiBro systems may be useful to minimize the inter-cell interference, enhance the capacity of cells and improve users' transmission quality in the cells by determining whether the services are provided through one out of an FRF-1 zone (a zone where users in 3 sectors of one cell can use all subchannels) and an FRF-3 zone (a zone where users in each of 3 sectors of one cell can use one third of all subchannels; 3 sectors of one cell use 3 channel group, respectively), which are present in one frame, based on the distribution and traffic load of subscriber stations (SS) present in one cell, which consists of 3 sector units, under the environment of the 802.16/WiBro systems, and providing services through the selected zone.11-12-2009
20090260702METHOD FOR FABRICATING SOLID BODY HAVING SUPERHYDROPHOBIC SURFACE STRUCTURE AND SUPERHYDROPHOBIC TUBE USING THE SAME METHOD - The present invention relates to a method for manufacturing a solid body having a superhydrophobic surface structure formed by using a surface treatment of a metal body, a replication process, and a polymer sticking phenomenon to increase efficiency of fluid transfer and prevent foreign materials from being accumulated in the tube, and a superhydrophobic fluid transfer tube using the method. The superhydrophobic fluid transfer tube includes a fluid guider and a solid body provided on a fluid contact surface of the fluid guider and has micrometer-scaled unevenness and nanometer-scaled protrusions. In the method, a plurality of nanometer-scaled holes are formed on a surface of a metal body through an anodizing process, a replica is formed by immersing the metal body provided with the nanometer-scaled holes in a non-wetting polymer material and solidifying the non-wetting polymer material, the solid body having the superhydrophobic surface is formed by removing the metal body and an anode oxide from the replica, and the solid body is provided to a fluid contact surface of a fluid guider for guiding a fluid.10-22-2009
20090258367METHOD OF MAPPING OF mRNA DISTRIBUTION WITH ATOMIC FORCE MICROSCOPY - The present invention relates to a method of mapping of mRNA distribution, comprising the steps of a preparing a probe DNA attached to a apical liner region of the dendron on AFM cantilever where the probe DNA can specifically hybridize a target mRNA and measuring specific adhesive force between the probe DNA and the target mRNA on sectioned tissue at nanometer resolution.10-15-2009
20090256002DROPLET DISCHARGE HEAD AND DROPLET DISCHARGE APPARATUS - The present invention relates to a droplet discharge apparatus that includes a nozzle for discharging a droplet from a tip thereof, and a discharge unit for injecting a gas toward the tip of the nozzle.10-15-2009
20090252629PUMP AND PUMPING SYSTEM FOR MICROFLUIDIC LAB-ON-A-CHIP USING POROUS STRUCTURE AND FABRICATING METHOD THEREOF - The present invention relates to a pump and pumping system for a microfluidic lab-on-a-chip, and a fabricating method thereof. An exemplary embodiment of the present invention provides a method of fabricating a pump for microfluidic lab-on-a-chips, the method including: infiltrating PDMS (polydimethylsiloxane) solution into a porous lump of water-soluble material; performing soft baking of the porous lump of water-soluble material containing the PDMS solution; and dissolving the porous lump of water-soluble material via water to obtain a porous PDMS structure.10-08-2009
20090217130METHOD AND APPARATUS FOR CHANNEL ENCODING AND DECODING IN A COMMUNICATION SYSTEM USING LOW-DENSITY PARITY-CHECK CODES - A method for encoding a channel in a communication system using a Low-Density Parity-Check (LDPC) code is provided. The method includes determining a number of parity bits for puncturing; dividing the parity bits at predetermined intervals, and determining a number of puncturing parity bits, which are subjected to puncturing within the predetermined intervals; determining a modulation scheme; determining positions of puncturing parity bits corresponding to the determined number of the puncturing parity bits within the predetermined intervals according to the modulation scheme; repeatedly performing puncturing on puncturing parity bits corresponding to the determined positions at the predetermined intervals; and transmitting remaining bits except for the punctured bits according to the modulation scheme.08-27-2009
20090217129METHOD AND APPARATUS FOR CHANNEL ENCODING AND DECODING IN A COMMUNICATION SYSTEM USING LOW-DENSITY-PARITY-CHECK CODES - A method and apparatus for encoding and decoding a channel in a communication system using a Low-Density Parity-Check (LDPC) code. The encoding method includes determining a modulation scheme for transmitting a symbol; determining a shortening pattern in consideration of the determined modulation scheme; grouping columns corresponding to an information word in a parity-check matrix of the LDPC code into a plurality of column groups; ordering the column groups; determining a range of a resulting information word desired to be obtained by shortening the information word; based on the range of the resulting information word, performing column group-by-column group shortening on the ordered column groups of the information word, according to the determined shortening pattern; and LDPC-encoding the shortened information word.08-27-2009
20090210767APPARATUS AND METHOD FOR ENCODING AND DECODING CHANNEL IN A COMMUNICATION SYSTEM USING LOW-DENSITY PARITY-CHECK CODES - An apparatus and method for generating a parity-check matrix of a Low-Density Parity-Check (LDPC) code are provided. Parameters for designing the LDPC code are determined, and a first parity-check matrix of a quasi-cyclic LDPC code is formed according to the determined parameters. A second parity-check matrix is created through the elimination of a predetermined portion of a parity part in the first parity-check matrix, and a third parity-check matrix is created by rearranging the second parity-check matrix.08-20-2009
20090208726NANOPOROUS MEMBRANE, PROCESS OF FABRICATING THE SAME AND DEVICE FOR CONTROLLED RELEASE OF BIOPHARMACEUTICALS COMPRISING THE SAME - Provided are a nanoporous membrane including a support; a first separation layer with a plurality of first nano-sized pores and a first matrix; and a second separation layer having a plurality of second pores respectively corresponding to the plurality of first pores of the first separation layer and a second matrix, and formed on the first separation layer, wherein a density of the plurality of the first pores and the second pores is equal to or greater than 1008-20-2009
20090186413MUSSEL ADHESIVE PROTEIN AS GENE DELIVERY - The present invention is related to a composition and a method for delivering a nucleic acid into a cell. The invention also provides a biocompatible and biodegradable gene delivery composition and methods of use and making thereof.07-23-2009
20090184956Method, medium, and system for compressing and decoding mesh data in three-dimensional mesh model - A method, medium, and system for compressing and decoding mesh data in a three-dimensional mesh model is provided. The system for compressing and decoding mesh data in a three-dimensional mesh model includes a mesh data acquisition unit acquiring mesh data from a three-dimensional mesh model, a cluster mesh generation unit generating a plurality of cluster meshes by using the mesh data, and a local quantization unit quantizing geometry information of respective vertexes through application of respective local coordinate systems to the respective cluster meshes and generating quantized data of the respective vertexes included in the respective cluster meshes.07-23-2009
20090155450Method for manufacturing a stable freestanding pure water film - The present invention relates to a method for manufacturing a stable freestanding pure water film. More specifically, the invention relates to a method for manufacturing a stable freestanding pure water film by X-ray bombardment of a small pure water volume in a capillary tube, the X-ray bombardment evaporating the pure water volume to be a pure water thin film and at the same time charging the surface of the pure water thin film to be stabilized electrically.06-18-2009
20090155365Method for remotely controlling a sol-gel transition of hydrogels and method for delivering a drug using the same - The present invention relates to a method for remotely controlling a sol-gel transition of hydrogels and a method for delivering a drug using the same. More specifically, the invention relates to a method of remotely controlling a sol-gel transition of polyethylene glycol (PEG)-containing hydrogels—three-dimensional networks of crosslinked polymer chains—by X-ray irradiation, and relates to a method for delivering a drug using the same.06-18-2009
20090117287MODIFICATION METHOD OF MICROCHANNELS OF PDMS MICROCHIP USING SOL-GEL SOLUTION - The present invention provides a method for modification of microchannels of a polydimethylsiloxane (PDMS) microchip, which includes the steps of: a) mixing an alkoxysilane precursor, an alkyl alkoxysilane precursor, and a solvent to prepare a sol-gel solution; b) oxidizing microchannels of the PDMS microchip; and c) coating the oxidized microchannels with the sol-gel solution prepared in step a). The PDMS microchip modified according to the method of the present invention shows higher hydrophilicity than an unmodified PDMS microchip. And, when the modified PDMS channels are filled with an organic solvent, channel swelling can be reduced, and thus various organic solvents can be used for the modified PDMS microchip compared to an unmodified PDMS microchip. Further, it can be widely applied for various fields because absorptivity of non-polar substances can be reduced.05-07-2009
20090114541Method for Manufacturing Micro Wire, and Sensor Including the Micro Wire and Method for manufacturing the Sensor - The present invention relates to a method for manufacturing a micro wire. More particular, the present invention relates to a method for manufacturing a micro wire, a sensor including the micro wire, and a method for manufacturing the sensor, having improved production efficiency. According to an embodiment of the present invention, a method for manufacturing a micro wire includes applying a three-dimensional electric field to a solution for forming a micro wire.05-07-2009
20090109930Method for supporting quality of service in heterogeneous networks - A method is related to support a QoS service at a handed over network in heterogeneous networks. A serving network requests the mobile terminal to offer demand QoS information, when there is a need of handover. The mobile terminal sends a response message containing the demand QoS information to the serving network, and each candidate network maps the demand QoS information to its network resources to judge whether or not to support the QoS service. And the serving network determines one of the candidate networks that can support the QoS service depending on the judgment of the candidate networks, and provides information on the determined candidate network to the mobile terminal such that the mobile terminal is handed over to the determined candidate network.04-30-2009
20090109927Method and apparatus for updating network information using mobile terminal - An apparatus for updating network information in wireless networks includes a control module for, when a media independent handover (MIH) mobile terminal connects to an access network in the wireless networks, judging whether the access network is managed by a media independent handover information service (MIIS) server. The apparatus further includes a collection module for collecting network information on the access network if the access network is not managed by the MIIS server, and a communication module for sending the collected network information to the MIIS server to update network information being managed by the MIIS server.04-30-2009
20090095677APPLICATION USING NON-COVALENT BOND BETWEEN A CUCURBITURIL DERIVATIVE AND A LIGAND - Provided are a kit including a first component that is a compound of formula (1) below bound to a first material and a second component that is a ligand bound to a second material, wherein each of the first and second materials is independently selected from the group consisting of a solid phase, a biomolecule, an antioxidant, a chemical therapeutic agent, an anti-histaminic agent, a cucurbituril dendrimer, a cyclodextrin derivative, a crown ether derivative, a calixarene derivative, a cyclophane derivative, a cyclic peptide derivative, a metallic ion, a chromophore, a fluorescent material, a phosphor, a radioactive material, and a catalyst; and the ligand can non-covalently bind to the compound of formula (1); a method of separating and purifying a material bound to a ligand using the compound of formula (1) bound to a solid phase; a method of separating and purifying the compound of formula (1) or a material bound to the compound using a ligand bound to a solid phase; a sensor chip including a compound of formula (1) bound to a first material and a ligand bound to a second material; and a solid-catalyst complex including the compound of formula (1) bound to a first material and a ligand bound to a second material.04-16-2009
20090087997Passivation film and method of forming the same - A passivation film and a method of forming the same are provided, the passivation film being used in a plasma display panel etc. In the passivation film, a first MgO layer, an intervening layer, and a second MgO layer are laminated and a laser is then irradiated to oxidize the intervening layer. Simultaneously, defects are formed at the interfaces of the first and second MgO layers. Accordingly, a plasma discharge firing voltage greatly decreases, and the total power consumption of the plasma display panel is significantly reduced.04-02-2009
20090086803APPARATUS AND METHOD FOR DETECTING SIGNALS IN A COMMUNICATION SYSTEM USING MULTIPLE ANTENNAS - An apparatus and method for detecting a signal in a communication system using multiple antennas are provided. The apparatus includes an optimal orderer for determining an order of signals that are subject to detection, a controller for controlling a parallel successive interference canceller so as to successively detect the signals according to the determined signal detection order, cancel the successively detected signals from a received signal, detect the signals in reverse order of the signal detection order, and cancel the successively detected signals from the received signal, and outputting a last detected signal and the parallel successive interference canceller for successively canceling the detected signals from the received signal according to a control of the controller. Accordingly, the invention provides a signal detection apparatus and method that improve the reliability while reducing the complexity of a communication system using multiple antennas.04-02-2009
20090068411Nanodevice Comprising a Nanorod and Method for Manufacturing the Same - A nanodevice including a nanorod and a method for manufacturing the same is provided. The nanodevice according to an embodiment of the present invention includes i) a substrate; ii) at least one crystal that is located on the substrate and includes a plurality of side surfaces forming an angle with each other; and iii) at least one nanorod that is located on the crystal and extends along a direction that is substantially perpendicular to a surface of the substrate03-12-2009
20090063692BIDIRECTIONAL FLOW SERVICE SUPPORT METHOD IN IEEE 802.16/WIBRO SYSTEM - Provided is a bidirectional service flow management method in a wideband wireless connection communication system, and more particularly, a method of performing a bidirectional flow establishment. The method of providing a flow service in an IEEE 802.16/WiBro includes: generating a revised dynamic service addition (DSA) related message in which an area for designating bidirectional flow management information is allocated from a standard DSA related message; and performing a bidirectional flow initialization process between a subscriber station (SS) and a base station (BS) via single control message negotiation based on the revised DSA related message.03-05-2009
20090059889rtPS CLASS OF IEEE 802.16/WiBro SYSTEM - Provided is a real-time polling service (rtPS) class of an IEEE 802.16/WiBro system. An rtPS scheduling method of the IEEE 802.16/WiBro system includes subscriber station (SS) located in a network where the IEEE 802.16/WiBro system is realized inserting a timestamp indicating time information when uplink data is transmitted from an application layer of the SS into the uplink data; and after the SS receives polling from a base station (BS), comparing the timestamp inserted into the uplink data and a current time, and, if a difference between the timestamp and the current time is greater than a predetermined period of time, firstly dropping the uplink data.03-05-2009
20090059847UNSOLICITED GRANT SERVICE CLASS OF IEEE 802.16/WiBro SYSTEM - Provided is a traffic class of an IEEE 802.16/WiBro system. The unsolicited grant service (UGS) scheduling method with regard to a subscriber station (SS) and a base station (BS) that are disposed in a network wherein an IEEE 802.16/WiBro system is realized, the method includes: when the SS requires 1 through M (where M is a positive integer) UGS flows, and the BS serves 1 through N (where N is a positive integer) frames, the BS storing grant periods and guaranteed sizes that are granted to the M UGS flows in each N frame; and the BS comparing service capacity of a frame and a sum of guaranteed sizes of each flow belonging to the N frames, and determining if an overload occurs.03-05-2009
20090040960Space frequency block code signal processing system - A space frequency block code signal relaying system is provided. The space frequency block code signal relaying system includes a signal detecting unit which receives, via a radio channel, a source signal sent from a source station and detects the received signal; a relay signal generation unit which generates a relay signal corresponding with the source signal transmitted from the source station to a destination node based on the received signal, the source signal and the relay signal being signals encoded in a Space Frequency Block Code (SFBC) scheme; and a signal transmitting unit which transmits the relay signal to the destination node.02-12-2009
20090035830Method for Preparing Optically Active Amines - The present invention relates to a method of preparing optically active amines and chiral amines prepared thereby. The method includes reacting an amine compound, a metal catalyst, a biocatalyst including a lipase, and an acyl donor compound in an organic solvent to obtain a chiral amide compound, and then hydrolyzing the chiral amide compound to obtain a chiral amine.02-05-2009
20090035181MOBILE ROBOT AND CLINICAL TEST APPARATUS USING THE SAME - A clinical test apparatus employing a mobile robot is provided. The clinical test apparatus includes a stage unit, a test station provided in the stage unit and configured to perform a clinical test, a mobile robot configured to move on a top surface of the stage unit and to transfer a plate on which samples and reagents are loaded to the test station, and a docking unit disposed in the stage unit and configured to reset a position of the mobile robot. A variety of test stations for a clinical test can be integrated, and multiple tests can be performed at the same time through a plurality of mobile robots.02-05-2009
20090034681Characterization of Three-Dimensional Distribution of Defects by X-Ray Topography - Provided is a method of determining a three-dimensional distribution of structural defects in a single crystal material, the method comprising: (a) disposing a single crystal sample on a holder, the sample being set to a symmetric reflection in the Bragg Geometry; (b) projecting a beam of incident x-rays on a predetermined crystal plane in the sample and reflecting the x-rays while the sample is azimuthally rotating with respect to an normal axis, the normal axis being perpendicular to the predetermined crystal plane; (c) obtaining geometrical measured values of a two-dimensional configuration of defects on the detector plane of a CCD detector; and (d) determining the three-dimensional distribution of the defects in the sample by formulating a geometrical relation between a three-dimensional configuration of defects on the sample and the geometrical measured values of the two-dimensional configuration of defects on the detector plane.02-05-2009
20090034464RESOURCE MANAGEMENT METHOD IN WIRELESS COMMUNICATION SYSTEM - Provided is a resource management method in a communication system, and more particularly, a resource management method based on priority in a wireless communication system. The resource management method in a wireless management network includes: setting a priority factor value with regard to a link flow for which link establishment is requested; and if a capacity required by the flow for which link establishment is requested exceeds a remaining capacity of a base station, increasing the remaining capacity of the base station by sequentially reducing a minimum reserved rate (MRR) value of flows that receive a service at a lower priority than the flow for which link establishment is requested to a maximum sustained rate (MSR) value, until the remaining capacity required by the flow for which link establishment is requested is generated.02-05-2009
20090034408APPARATUS AND METHOD OF RECONSTRUCTING AMPLITUDE-CLIPPED SIGNAL - A method and apparatus for compensating a distortion due to a clipped amplitude when an amplitude of a signal is clipped to reduce a peak to average power ratio (PAPR) in a wireless communication system using an orthogonal frequency division multiplexing (OFDM) scheme and a transmit diversity method using an orthogonal coding.02-05-2009
20090011025Biotin-Amino Acid Conjugate Useful as a Hydrogelator and Hydrogel Prepared Therefrom - A biotin-amino acid conjugate, wherein the carboxylic group of biotin and the α-amino group of an amino acid is linked by an amide bond, is biocompatible and has an excellent gelation capability in an aqueous medium. Accordingly, a hydrogel prepared therefrom is useful as a drug delivery system.01-08-2009
20080290028Stationary Phase and Column Using Cucurbituril Bonded Silica Gel, and Separation Method of Taxol Using the Column - Provided are a stationary phase and a column using a cucurbituril-bound silica gel, and a method of separating taxane using the column. The taxane separation method includes: preparing a column for taxane separation, the column being packed with a stationary phase including a cucurbituril-bound silica gel in which a cucurbituril represented by Formula 1 or 2 is covalently bound to a modified silica gel represented by Formula 3; dissolving a taxane powder in a solvent to prepare a taxane-containing solution; applying the taxane-containing solution to the column; supplying a mobile-phase solvent to the column to obtain a taxane extract from the column; and purifying taxane from the taxane extract. Therefore, highly purified taxane can be separated from a low-purity crude taxane extract.11-27-2008
20080280613HANDOVER APPARATUS AND HANDOVER METHOD IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for performing handover of a terminal in a wireless communication system, the method including obtaining information on neighboring networks from a media independent handover (MIH) server by using a MIH layer if a state of a link connected to a serving network is changed; transmitting a handover initiation request message to the MIH layer of the serving network through the MIH layer; checking handover support information and tunnel state information of the neighboring networks which are received from the MIH layer of the serving network; determining a target network to which handover is performed and performing layer-2 (L2) handover with the target network, by using the handover support information; and performing layer-3 (L3) handover with the target network by using the tunnel state information.11-13-2008
20080274978Peptides That Antagonize Fpr Class Receptor Mediated Signaling - The present application discloses W-rich peptide that is useful for inhibiting FPR class receptor activity.11-06-2008
20080273500APPARATUS AND METHOD FOR VERTICAL HANDOVER IN WIRELESS COMMUNICATION SYSTEM - A method of performing a vertical handover in a terminal of a wireless communication system includes generating a care-of-address (CoA) by using neighbor network information acquired from a media independent handover (MIH) server to perform the vertical handover, transmitting handover request information and the CoA to a serving network, confirming handover support information and CoA information of neighbor networks, which are received from the serving network, and determining a target network for performing the vertical handover by using the handover support information, and performing the vertical handover to the target network by using the CoA information.11-06-2008
20080264433Cucurbituril Added Cigarettes and Manufacturing Method Thereof - Provided is a cucurbituril-containing tobacco. The cucurbituril-containing tobacco includes a cucurbituril represented by Formula 1. The cucurbituril-containing tobacco can produce a reduced amount of harmful substances.10-30-2008
20080259872Media independent handover-based network system having a vertical handover capability and vertical handover method thereof - A heterogeneous network system performs a vertical handover based on media independent handover (MIH) in different networks in which a WiMAX (Wireless Broadband Internet) network (or a WiBro (Wireless Broadband Internet)) and a WLAN (Wireless LAN) network are coexisted. The heterogeneous network system cyclically acquires neighboring network information in advance through a media independent handover server, and performs new address (NCoA) generation at a handover preliminary time. And then DAD (Duplicate Address Detection) and BU (Binding Update) are performed. Accordingly, the vertical handover between different networks can be performed to receive packets from a switched network while a handover delay time is minimized.10-23-2008
20080259871Method of performing vertical handover between different wireless networks - A method of performing a vertical handover between different wireless networks based on media independent handover (MIH) includes the steps of checking a link state of the first network to transmit a handover notify message from the mobile node to an old access router when a handover is needed, and transmitting a handover request message from the old access router to a new access router to form a tunnel to exit toward the old access router. Thereafter, packets to be transmitted to the mobile node through the first network are buffered in the old access router. After changing the wireless service from the first network to the second network the mobile node, the packets buffered in the old access router is then transmitted to the new access router, and the mobile node receives the packets through the second network.10-23-2008
20080256665Method for changing seed productivity of plant by controlling the level of AtSPF3 in plant - Disclosed is a method of changing the seed productivity of a plant by controlling the level of AtSPF3 in the plant. More specifically, disclosed is a method of changing the seed productivity of a plant by controlling the intracellular level of a polypeptide having the amino acid sequence represented by SEQ ID NO: 1. The AtSPF3 gene has the effect of changing the seed productivity of a plant through an increase or decrease in the expression thereof in the plant. Accordingly, the AtSPF3 gene will be useful for increasing the production of plants and breeding plants.10-16-2008
20080249296Molecular Transporters Based on Sugar and Its Analogues and Processes For the Preparation Thereof - The inventive molecular transporter compound shows significantly high permeability through a biological membrane such as a plasma membrane, nuclear membrane and blood-brain barrier, and accordingly, can be effectively used in delivering various biologically active molecules.10-09-2008
20080246779DRIVING APPARATUS OF DISPLAY DEVICE, DISPLAY DEVICE INCLUDING THE SAME, AND METHOD OF DRIVING DISPLAY DEVICE - The driving apparatus of a display device calculates a slope using a minimum gray, a maximum gray, a gray average of frame data in a current frame, and a gray average of frame data in a previous frame, and corrects and outputs the input frame data according to the slope, using frame data of one frame. As a result, a gray range of the input image signal can be extended, thereby improving visibility. Further, in a case of a motion picture, even when a difference of a gray range of images of adjacent frames is large, an original image is not distorted due to extension of a gray range. Also, even when noise is included in the input image signal, a gray range can be extended after removing the noise.10-09-2008
20080230904Gallium Nitride-Based III-V Group Compound Semiconductor Device and Method of Manufacturing the Same - The present invention relates to a gallium nitride-based compound semiconductor device and a method of manufacturing the same. According to the present invention, there is provided a gallium nitride-based III-V group compound semiconductor device comprising a gallium nitride-based semiconductor layer and an ohmic electrode layer formed on the gallium nitride-based semiconductor layer. The ohmic electrode layer comprises a contact metal layer, a reflective metal layer, and a diffusion barrier layer.09-25-2008
20080209366METHOD AND APPARATUS FOR ANALYZING CIRCUIT MODEL BY REDUCTION AND COMPUTER PROGRAM PRODUCT FOR ANALYZING THE CIRCUIT MODEL - Provided are a method and apparatus for analyzing a circuit model by reducing, and a computer program product for analyzing the circuit model. The circuit model at least includes independent current source models, resistance models, and capacitance models. Also, the circuit model forms a resistance capacitance (RC) network with independent current sources. The method includes selecting a node to be removed using resistance information and comparing conductance of a capacitor for a given time step and the total conductance of the node. Further, the method includes removing the selected nodes and generating RC elements and independent current sources using adjacent nodes, which maintain the accuracy of node voltages of a circuit reduced in an accuracy order used for entrywise perturbation of the corresponding circuit equation. Moreover, an efficient method of handling the independent current sources while reducing the circuit is provided.08-28-2008

Patent applications by POSTECH ACADEMY - INDUSTRY FOUNDATION